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Acronym
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bidrap, K-4.8
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Name
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bidiminished rectified pentachoron,
antiduowedge,
square - tetrahedral wedge,
digonal gyrobicupolaic ring,
{4} || tet,
line || ortho trip
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Segmentochoron display
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   ©
(these providing possible orientations: as "squippy || {3}", as "tet || {4}", resp. as "trip || ortho line")
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Circumradius
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sqrt(3/5) = 0.774597
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Lace city
in approx. ASCII-art
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x o o x
x x
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Dihedral angles
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- at {4} between squippy and trip: arccos[-1/sqrt(6)] = 114.094843°
- at {3} between squippy and tet: arccos(-1/4) = 104.477512°
- at {3} between squippy and squippy: arccos(1/4) = 75.522488°
- at {3} between squippy and trip: arccos(sqrt[1/6]) = 65.905157°
- at {4} between trip and trip: arccos(2/3) = 48.189685°
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Face vector
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8, 18, 17, 7
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Confer
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- segmentochora family:
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{2n} || n-ap
- uniform relative:
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rap
- related segmentochora:
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trippy
- variations:
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xxo oxx&#q
- general polytopal classes:
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segmentochora
lace simplices
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External
links
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The rap can be considered as tet || oct. Now diminish the bottom oct at both opposing tips down to the equatorial square.
At the top tet the same diminishings just scratch at the pair of opposing edges. Either diminishing chops off a trippy.
Incidence matrix according to Dynkin symbol
xxo oxx&#x → height(1,2) = height(2,3) = sqrt(3)/2 = 0.866025
height(1,3) = 1/sqrt(2) = 0.707107
o.. o.. | 2 * * | 1 2 2 0 0 0 0 | 2 1 2 1 2 0 0 0 | 1 1 2 1 0
.o. .o. | * 4 * | 0 1 0 1 1 1 0 | 1 1 0 0 1 1 1 1 | 1 0 1 1 1
..o ..o | * * 2 | 0 0 2 0 0 2 1 | 0 0 1 2 2 0 1 2 | 0 1 1 2 1
-----------+-------+---------------+-----------------+----------
x.. ... | 2 0 0 | 1 * * * * * * | 2 0 2 0 0 0 0 0 | 1 1 2 0 0
oo. oo.&#x | 1 1 0 | * 4 * * * * * | 1 1 0 0 1 0 0 0 | 1 0 1 1 0
o.o o.o&#x | 1 0 1 | * * 4 * * * * | 0 0 1 1 1 0 0 0 | 0 1 1 1 0
.x. ... | 0 2 0 | * * * 2 * * * | 1 0 0 0 0 1 1 0 | 1 0 1 0 1
... .x. | 0 2 0 | * * * * 2 * * | 0 1 0 0 0 1 0 1 | 1 0 0 1 1
.oo .oo&#x | 0 1 1 | * * * * * 4 * | 0 0 0 0 1 0 1 1 | 0 0 1 1 1
... ..x | 0 0 2 | * * * * * * 1 | 0 0 0 2 0 0 0 2 | 0 1 0 2 1
-----------+-------+---------------+-----------------+----------
xx. ...&#x | 2 2 0 | 1 2 0 1 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
... ox.&#x | 1 2 0 | 0 2 0 0 1 0 0 | * 2 * * * * * * | 1 0 0 1 0
x.o ...&#x | 2 0 1 | 1 0 2 0 0 0 0 | * * 2 * * * * * | 0 1 1 0 0
... o.x&#x | 1 0 2 | 0 0 2 0 0 0 1 | * * * 2 * * * * | 0 1 0 1 0
ooo ooo&#x | 1 1 1 | 0 1 1 0 0 1 0 | * * * * 4 * * * | 0 0 1 1 0
.x. .x. | 0 4 0 | 0 0 0 2 2 0 0 | * * * * * 1 * * | 1 0 0 0 1
.xo ...&#x | 0 2 1 | 0 0 0 1 0 2 0 | * * * * * * 2 * | 0 0 1 0 1
... .xx&#x | 0 2 2 | 0 0 0 0 1 2 1 | * * * * * * * 2 | 0 0 0 1 1
-----------+-------+---------------+-----------------+----------
xx. ox.&#x ♦ 2 4 0 | 1 4 0 2 2 0 0 | 2 2 0 0 0 1 0 0 | 1 * * * *
x.o o.x&#x ♦ 2 0 2 | 1 0 4 0 0 0 1 | 0 0 2 2 0 0 0 0 | * 1 * * *
xxo ...&#x ♦ 2 2 1 | 1 2 2 1 0 2 0 | 1 0 1 0 2 0 1 0 | * * 2 * *
... oxx&#x ♦ 1 2 2 | 0 2 2 0 1 2 1 | 0 1 0 1 2 0 0 1 | * * * 2 *
.xo .xx&#x ♦ 0 4 2 | 0 0 0 2 2 4 1 | 0 0 0 0 0 1 2 2 | * * * * 1
x(xo) x(ox)&#x → height = sqrt(5/8) = 0.790569
({4} || tet)
o(..) o(..) | 4 * | 2 2 0 0 | 1 2 2 1 0 | 2 2 0
.(o.) .(o.) & | * 4 | 0 2 1 2 | 0 2 1 2 3 | 1 3 1
-----------------+-----+---------+-----------+------
x(..) .(..) & | 2 0 | 4 * * * | 1 1 1 0 0 | 2 1 0
o(o.) o(o.)&#x & | 1 1 | * 8 * * | 0 1 1 1 0 | 1 2 0
.(x.) .(..) & | 0 2 | * * 2 * | 0 2 0 0 2 | 1 2 1
.(oo) .(oo)&#x | 0 2 | * * * 4 | 0 0 0 1 2 | 0 2 1
-----------------+-----+---------+-----------+------
x(..) x(..) | 4 0 | 4 0 0 0 | 1 * * * * | 2 0 0
x(x.) .(..) & | 2 2 | 1 2 1 0 | * 4 * * * | 1 1 0
.(..) x(o.) & | 2 1 | 1 2 0 0 | * * 4 * * | 1 1 0
o(oo) o(oo)&#x | 1 2 | 0 2 0 1 | * * * 4 * | 0 2 0
.(xo) .(..)&#x & | 0 3 | 0 0 1 2 | * * * * 4 | 0 1 1
-----------------+-----+---------+-----------+------
x(x.) x(o.)&#x & ♦ 4 2 | 4 4 1 0 | 1 2 2 0 0 | 2 * *
x(xo) .(..)&#x & ♦ 2 3 | 1 4 1 2 | 0 1 1 2 1 | * 4 *
.(xo) .(ox)&#x ♦ 0 4 | 0 0 2 4 | 0 0 0 0 4 | * * 1
oqo ooo&#xt || snub(xx xx&#x) → height = sqrt(5/8) = 0.790569
({4} || tet)
o.. o.. .. .. | 1 * * * * | 2 2 0 0 0 0 0 0 0 0 | 1 2 2 1 0 0 0 0 0 0 | 2 2 0 0
.o. .o. .. .. | * 2 * * * | 1 0 1 1 1 0 0 0 0 0 | 1 1 1 0 1 1 1 0 0 0 | 2 1 1 0
..o ..o .. .. | * * 1 * * | 0 0 2 0 0 2 0 0 0 0 | 1 0 0 0 2 2 0 1 0 0 | 2 0 2 0
... ... demi(o. o. ) | * * * 2 * | 0 1 0 1 0 0 1 1 1 0 | 0 1 1 1 1 0 1 0 2 1 | 1 2 1 1
... ... demi(.o .o ) | * * * * 2 | 0 0 0 0 1 1 0 1 1 1 | 0 0 1 0 1 1 1 1 1 2 | 1 1 2 1
-----------------------------+-----------+---------------------+---------------------+--------
oo. oo.&#x .. .. | 1 1 0 0 0 | 2 * * * * * * * * * | 1 1 1 0 0 0 0 0 0 0 | 2 1 0 0
o.. o.. || demi(o. o. ) | 1 0 0 1 0 | * 2 * * * * * * * * | 0 1 1 1 0 0 0 0 0 0 | 1 2 0 0
.oo .oo&#x .. .. | 0 1 1 0 0 | * * 2 * * * * * * * | 1 0 0 0 1 1 0 0 0 0 | 2 0 1 0
.o. .o. || demi(o. o. ) | 0 1 0 1 0 | * * * 2 * * * * * * | 0 1 0 0 1 0 1 0 0 0 | 1 1 1 0
.o. .o. || demi(.o .o ) | 0 1 0 0 1 | * * * * 2 * * * * * | 0 0 1 0 0 1 1 0 0 0 | 1 1 1 0
..o ..o || demi(.o .o ) | 0 0 1 0 1 | * * * * * 2 * * * * | 0 0 0 0 1 1 0 1 0 0 | 1 0 2 0
... ... s.2s. | 0 0 0 2 0 | * * * * * * 1 * * * | 0 0 0 1 0 0 0 0 2 0 | 0 2 0 1
... ... snub(xx ..&#x) | 0 0 0 1 1 | * * * * * * * 2 * * | 0 0 1 0 1 0 0 0 1 1 | 1 1 1 1
... ... snub(.. xx&#x) | 0 0 0 1 1 | * * * * * * * * 2 * | 0 0 0 0 0 0 1 0 1 1 | 0 1 1 1
... ... .s2.s | 0 0 0 0 2 | * * * * * * * * * 1 | 0 0 0 0 0 0 0 1 0 2 | 0 0 2 1
-----------------------------+-----------+---------------------+---------------------+--------
oqo ...&#xt .. .. | 1 2 1 0 0 | 2 0 2 0 0 0 0 0 0 0 | 1 * * * * * * * * * | 2 0 0 0
oo. oo.&#x || demi(o. o. ) | 1 1 0 1 0 | 1 1 0 1 0 0 0 0 0 0 | * 2 * * * * * * * * | 1 1 0 0
oo. oo.&#x || snub(xx ..&#x) | 1 1 0 1 1 | 1 1 0 0 1 0 0 1 0 0 | * * 2 * * * * * * * | 1 1 0 0
o.. o.. || s.2s. | 1 0 0 2 0 | 0 2 0 0 0 0 1 0 0 0 | * * * 1 * * * * * * | 0 2 0 0
.oo .oo&#x || snub(xx ..&#x) | 0 1 1 1 1 | 0 0 1 1 0 1 0 1 0 0 | * * * * 2 * * * * * | 1 0 1 0
.oo .oo&#x || demi(.o .o ) | 0 1 1 0 1 | 0 0 1 0 1 1 0 0 0 0 | * * * * * 2 * * * * | 1 0 1 0
.o. .o. || snub(.. xx&#x) | 0 1 0 1 1 | 0 0 0 1 1 0 0 0 1 0 | * * * * * * 2 * * * | 0 1 1 0
..o ..o || .s2.s | 0 0 1 0 2 | 0 0 0 0 0 2 0 0 0 1 | * * * * * * * 1 * * | 0 0 2 0
... ... so2so&#x | 0 0 0 2 1 | 0 0 0 0 0 0 1 1 1 0 | * * * * * * * * 2 * | 0 1 0 1
... ... os2os&#x | 0 0 0 1 2 | 0 0 0 0 0 0 0 1 1 1 | * * * * * * * * * 2 | 0 0 1 1
-----------------------------+-----------+---------------------+---------------------+--------
oqo ...&#xt || snub(xx ..&#x) ♦ 1 2 1 1 1 | 2 1 2 1 1 1 0 1 0 0 | 1 1 1 0 1 1 0 0 0 0 | 2 * * *
oo. oo.&#x || so2so&#x ♦ 1 1 0 2 1 | 1 2 0 1 1 0 1 1 1 0 | 0 1 1 1 0 0 1 0 1 0 | * 2 * *
.oo .oo&#x || os2os&#x ♦ 0 1 1 1 2 | 0 0 1 1 1 2 0 1 1 1 | 0 0 0 0 1 1 1 1 0 1 | * * 2 *
... ... snub(xx xx&#x) ♦ 0 0 0 2 2 | 0 0 0 0 0 0 1 2 2 1 | 0 0 0 0 0 0 0 0 2 2 | * * * 1
{3} || squippy → height = sqrt(5/8) = 0.790569
2 * * * * | 1 1 1 1 0 0 0 0 0 0 0 | 1 1 1 1 1 1 0 0 0 0 0 0 | 1 1 1 1 0 0
* 1 * * * | 0 2 0 0 2 1 0 0 0 0 0 | 1 0 0 2 2 0 1 2 0 0 0 0 | 1 1 0 2 1 0
* * 2 * * | 0 0 1 0 1 0 1 1 1 0 0 | 0 1 0 1 0 1 1 1 1 1 1 0 | 1 0 1 1 1 1
* * * 1 * | 0 0 0 0 0 1 0 2 0 2 0 | 0 0 0 0 2 0 0 2 1 0 2 1 | 0 1 0 2 1 1
* * * * 2 | 0 0 0 1 0 0 0 0 1 1 1 | 0 0 1 0 1 1 0 0 0 1 1 1 | 0 1 1 1 0 1
------------+-----------------------+-------------------------+------------
2 0 0 0 0 | 1 * * * * * * * * * * | 1 1 1 0 0 0 0 0 0 0 0 0 | 1 1 1 0 0 0
1 1 0 0 0 | * 2 * * * * * * * * * | 1 0 0 1 1 0 0 0 0 0 0 0 | 1 1 0 1 0 0
1 0 1 0 0 | * * 2 * * * * * * * * | 0 1 0 1 0 1 0 0 0 0 0 0 | 1 0 1 1 0 0
1 0 0 0 1 | * * * 2 * * * * * * * | 0 0 1 0 1 1 0 0 0 0 0 0 | 0 1 1 1 0 0
0 1 1 0 0 | * * * * 2 * * * * * * | 0 0 0 1 0 0 1 1 0 0 0 0 | 1 0 0 1 1 0
0 1 0 1 0 | * * * * * 1 * * * * * | 0 0 0 0 2 0 0 2 0 0 0 0 | 0 1 0 2 1 0
0 0 2 0 0 | * * * * * * 1 * * * * | 0 1 0 0 0 0 1 0 1 1 0 0 | 1 0 1 0 1 1
0 0 1 1 0 | * * * * * * * 2 * * * | 0 0 0 0 0 0 0 1 1 0 1 0 | 0 0 0 1 1 1
0 0 1 0 1 | * * * * * * * * 2 * * | 0 0 0 0 0 1 0 0 0 1 1 0 | 0 0 1 1 0 1
0 0 0 1 1 | * * * * * * * * * 2 * | 0 0 0 0 1 0 0 0 0 0 1 1 | 0 1 0 1 0 1
0 0 0 0 2 | * * * * * * * * * * 1 | 0 0 1 0 0 0 0 0 0 1 0 1 | 0 1 1 0 0 1
------------+-----------------------+-------------------------+------------
2 1 0 0 0 | 1 2 0 0 0 0 0 0 0 0 0 | 1 * * * * * * * * * * * | 1 1 0 0 0 0
2 0 2 0 0 | 1 0 2 0 0 0 1 0 0 0 0 | * 1 * * * * * * * * * * | 1 0 1 0 0 0
2 0 0 0 2 | 1 0 0 2 0 0 0 0 0 0 1 | * * 1 * * * * * * * * * | 0 1 1 0 0 0
1 1 1 0 0 | 0 1 1 0 1 0 0 0 0 0 0 | * * * 2 * * * * * * * * | 1 0 0 1 0 0
1 1 0 1 1 | 0 1 0 1 0 1 0 0 0 1 0 | * * * * 2 * * * * * * * | 0 1 0 1 0 0
1 0 1 0 1 | 0 0 1 1 0 0 0 0 1 0 0 | * * * * * 2 * * * * * * | 0 0 1 1 0 0
0 1 2 0 0 | 0 0 0 0 2 0 1 0 0 0 0 | * * * * * * 1 * * * * * | 1 0 0 0 1 0
0 1 1 1 0 | 0 0 0 0 1 1 0 1 0 0 0 | * * * * * * * 2 * * * * | 0 0 0 1 1 0
0 0 2 1 0 | 0 0 0 0 0 0 1 2 0 0 0 | * * * * * * * * 1 * * * | 0 0 0 0 1 1
0 0 2 0 2 | 0 0 0 0 0 0 1 0 2 0 1 | * * * * * * * * * 1 * * | 0 0 1 0 0 1
0 0 1 1 1 | 0 0 0 0 0 0 0 1 1 1 0 | * * * * * * * * * * 2 * | 0 0 0 1 0 1
0 0 0 1 2 | 0 0 0 0 0 0 0 0 0 2 1 | * * * * * * * * * * * 1 | 0 1 0 0 0 1
------------+-----------------------+-------------------------+------------
♦ 2 1 2 0 0 | 1 2 2 0 2 0 1 0 0 0 0 | 1 1 0 2 0 0 1 0 0 0 0 0 | 1 * * * * *
♦ 2 1 0 1 2 | 1 2 0 2 0 1 0 0 0 2 1 | 1 0 1 0 2 0 0 0 0 0 0 1 | * 1 * * * *
♦ 2 0 2 0 2 | 1 0 2 2 0 0 1 0 2 0 1 | 0 1 1 0 0 2 0 0 0 1 0 0 | * * 1 * * *
♦ 1 1 1 1 1 | 0 1 1 1 1 1 0 1 1 1 0 | 0 0 0 1 1 1 0 1 0 0 1 0 | * * * 2 * *
♦ 0 1 2 1 0 | 0 0 0 0 2 1 1 2 0 0 0 | 0 0 0 0 0 0 1 2 1 0 0 0 | * * * * 1 *
♦ 0 0 2 1 2 | 0 0 0 0 0 0 1 2 2 2 1 | 0 0 0 0 0 0 0 0 1 1 2 1 | * * * * * 1
x(ox) o(xx)&#x → height = sqrt(5/12) = 0.645497
(line || ortho trip)
o(..) o(..) | 2 * * | 1 2 2 0 0 0 0 | 2 2 1 2 1 0 0 0 | 1 1 2 1 0
.(o.) .(o.) | * 2 * | 0 2 0 1 2 0 0 | 1 0 2 2 0 1 2 0 | 1 0 1 2 1
.(.o) .(.o) | * * 4 | 0 0 1 0 1 1 1 | 0 1 0 1 1 1 1 1 | 0 1 1 1 1
---------------+-------+---------------+-----------------+----------
x(..) .(..) | 2 0 0 | 1 * * * * * * | 2 2 0 0 0 0 0 0 | 1 1 2 0 0
o(o.) o(o.)&#x | 1 1 0 | * 4 * * * * * | 1 0 1 1 0 0 0 0 | 1 0 1 1 0
o(.o) o(.o)&#x | 1 0 1 | * * 4 * * * * | 0 1 0 1 1 0 0 0 | 0 1 1 1 0
.(..) .(x.) | 0 2 0 | * * * 1 * * * | 0 0 2 0 0 0 2 0 | 1 0 0 2 1
.(oo) .(oo)&#x | 0 1 1 | * * * * 4 * * | 0 0 0 1 0 1 1 0 | 0 0 1 1 1
.(.x) .(..) | 0 0 2 | * * * * * 2 * | 0 1 0 0 0 1 0 1 | 0 1 1 0 1
.(..) .(.x) | 0 0 2 | * * * * * * 2 | 0 0 0 0 1 0 1 1 | 0 1 0 1 1
---------------+-------+---------------+-----------------+----------
x(o.) .(..)&#x | 2 1 0 | 1 2 0 0 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
x(.x) .(..)&#x | 2 0 2 | 1 0 2 0 0 1 0 | * 2 * * * * * * | 0 1 1 0 0
.(..) o(x.)&#x | 1 2 0 | 0 2 0 1 0 0 0 | * * 2 * * * * * | 1 0 0 1 0
o(oo) o(oo)&#x | 1 1 1 | 0 1 1 0 1 0 0 | * * * 4 * * * * | 0 0 1 1 0
.(..) o(.x)&#x | 1 0 2 | 0 0 2 0 0 0 1 | * * * * 2 * * * | 0 1 0 1 0
.(ox) .(..)&#x | 0 1 2 | 0 0 0 0 2 1 0 | * * * * * 2 * * | 0 0 1 0 1
.(..) .(xx)&#x | 0 2 2 | 0 0 0 1 2 0 1 | * * * * * * 2 * | 0 0 0 1 1
.(.x) .(.x) | 0 0 4 | 0 0 0 0 0 2 2 | * * * * * * * 1 | 0 1 0 0 1
---------------+-------+---------------+-----------------+----------
x(o.) o(x.)&#x ♦ 2 2 0 | 1 4 0 1 0 0 0 | 2 0 2 0 0 0 0 0 | 1 * * * *
x(.x) o(.x)&#x ♦ 2 0 4 | 1 0 4 0 0 2 2 | 0 2 0 0 2 0 0 1 | * 1 * * *
x(ox) .(..)&#x ♦ 2 1 2 | 1 2 2 0 2 1 0 | 1 1 0 2 0 1 0 0 | * * 2 * *
.(..) o(xx)&#x ♦ 1 2 2 | 0 2 2 1 2 0 1 | 0 0 1 2 1 0 1 0 | * * * 2 *
.(ox) .(xx)&#x ♦ 0 2 4 | 0 0 0 1 4 2 2 | 0 0 0 0 0 2 2 1 | * * * * 1
( xo.&#x, xo.&#x, ..x )&#x → height = sqrt(5/12) = 0.645497
(line || ortho trip)
( o.. , ... , ... ) & | 4 * * | 1 1 1 1 0 0 0 | 1 1 1 1 1 1 0 0 | 1 1 1 1 0
( .o. , ... , ... ) & | * 2 * | 0 2 0 0 1 2 0 | 1 0 2 2 0 0 2 1 | 1 2 1 0 1
( ... , ... , ..o ) | * * 2 | 0 0 0 2 0 2 1 | 0 0 0 2 1 2 1 2 | 0 1 2 1 1
-----------------------------+-------+---------------+-----------------+----------
( x.. , ... , ... ) & | 2 0 0 | 2 * * * * * * | 1 1 0 0 0 1 0 0 | 1 0 1 1 0
( oo.&#x, ... , ... ) & | 1 1 0 | * 4 * * * * * | 1 0 1 1 0 0 0 0 | 1 1 1 0 0
( o.. , o.. , ... )&#x & | 2 0 0 | * * 2 * * * * | 0 1 1 0 1 0 0 0 | 1 1 0 1 0
( o.. , ... , ..o )&#x & | 1 0 1 | * * * 4 * * * | 0 0 0 1 1 1 0 0 | 0 1 1 1 0
( .o. , .o. , ... )&#x | 0 2 0 | * * * * 1 * * | 0 0 2 0 0 0 2 0 | 1 2 0 0 1
( .o. , ... , ..o )&#x & | 0 1 1 | * * * * * 4 * | 0 0 0 1 0 0 1 1 | 0 1 1 0 1
( ... , ... , ..x ) | 0 0 2 | * * * * * * 1 | 0 0 0 0 0 2 0 2 | 0 0 2 1 1
-----------------------------+-------+---------------+-----------------+----------
( xo.&#x, ... , ... ) & | 2 1 0 | 1 2 0 0 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
( x.. , x.. , ... )&#x | 4 0 0 | 2 0 2 0 0 0 0 | * 1 * * * * * * | 1 0 0 1 0
( oo.&#x, oo.&#x, ... )&#x | 2 2 0 | 0 2 1 0 1 0 0 | * * 2 * * * * * | 1 1 0 0 0
( oo.&#x, ... , ..o )&#x & | 1 1 1 | 0 1 0 1 0 1 0 | * * * 4 * * * * | 0 1 1 0 0
( o.. , o.. , ..o )&#x | 2 0 1 | 0 0 1 2 0 0 0 | * * * * 2 * * * | 0 1 0 1 0
( x.. , ... , ..x )&#x & | 2 0 2 | 1 0 0 2 0 0 1 | * * * * * 2 * * | 0 0 1 1 0
( .o. , .o. , ..o )&#x & | 0 2 1 | 0 0 0 0 1 2 0 | * * * * * * 2 * | 0 1 0 0 1
( .o. , ... , ..x )&#x & | 0 1 2 | 0 0 0 0 0 2 1 | * * * * * * * 2 | 0 0 1 0 1
-----------------------------+-------+---------------+-----------------+----------
( xo.&#x, xo.&#x, ... )&#x ♦ 4 2 0 | 2 4 2 0 1 0 0 | 2 1 2 0 0 0 0 0 | 1 * * * *
( oo.&#x, oo.&#x, ..o )&#x ♦ 2 2 1 | 0 2 1 2 1 2 0 | 0 0 1 2 1 0 1 0 | * 2 * * *
( xo.&#x, ... , ..x )&#x & ♦ 2 1 2 | 1 2 0 2 0 2 1 | 1 0 0 2 0 1 0 1 | * * 2 * *
( x.. , x.. , ..x )&#x ♦ 4 0 2 | 2 0 2 4 0 0 1 | 0 1 0 0 2 2 0 0 | * * * 1 *
( .o. , .o. , ..x )&#x ♦ 0 2 2 | 0 0 0 0 1 4 1 | 0 0 0 0 0 0 2 2 | * * * * 1