The 2 compounding tips are placed in vice versas inverted positioning.

The convex hull of this compound is xo3xo3ox3ox&#zc, where c = sqrt(7/5) = 1.183216.

Incidence matrix according to Dynkin symbol

xo3xo3ox3ox

o.3o.3o.3o.  & | 40 |  1  3 |  3  3 |  3  1 || 1
---------------+----+-------+-------+-------++--
x. .. .. ..  & |  2 | 20  * |  3  0 |  3  0 || 1
.. x. .. ..  & |  2 |  * 60 |  1  2 |  2  1 || 1
---------------+----+-------+-------+-------++--
x.3x. .. ..  & |  6 |  3  3 | 20  * |  2  0 || 1
.. x.3o. ..  & |  3 |  0  3 |  * 40 |  1  1 || 1
---------------+----+-------+-------+-------++--
x.3x.3o. ..  & ♦ 12 |  6 12 |  4  4 | 10  * || 1
.. x.3o.3o.  & ♦  4 |  0  6 |  0  4 |  * 10 || 1
---------------+----+-------+-------+-------++--
x.3x.3o.3o.  & ♦ 20 | 10 30 | 10 20 |  5  5 || 2