Incidence matrix according to Dynkin symbol

o4x3o4x4/3*b   (N,M → ∞)

. . . .      | 12NM |    4    2 |   2   2   4   1 |  1  2  2
-------------+------+-----------+-----------------+---------
. x . .      |    2 | 24NM    * |   1   1   1   0 |  1  1  1
. . . x      |    2 |    * 12NM |   0   0   2   1 |  0  1  2
-------------+------+-----------+-----------------+---------
o4x . .      |    4 |    4    0 | 6NM   *   *   * |  1  1  0
. x3o .      |    3 |    3    0 |   * 8NM   *   * |  1  0  1
. x . x4/3*b |    8 |    4    4 |   *   * 6NM   * |  0  1  1
. . o4x      |    4 |    0    4 |   *   *   * 3NM |  0  0  2
-------------+------+-----------+-----------------+---------
o4x3o .      ♦   12 |   24    0 |   6   8   0   0 | NM  *  *
o4x . x4/3*b ♦   4M |   4M   2M |   M   0   M   0 |  * 6N  *
. x3o4x4/3*b ♦   24 |   24   24 |   0   8   6   6 |  *  * NM

o4/3x3o4x4/3*b   (N,M → ∞)

.   . . .      | 12NM |    4    2 |   2   2   4   1 |  1  2  2
---------------+------+-----------+-----------------+---------
.   x . .      |    2 | 24NM    * |   1   1   1   0 |  1  1  1
.   . . x      |    2 |    * 12NM |   0   0   2   1 |  0  1  2
---------------+------+-----------+-----------------+---------
o4/3x . .      |    4 |    4    0 | 6NM   *   *   * |  1  1  0
.   x3o .      |    3 |    3    0 |   * 8NM   *   * |  1  0  1
.   x . x4/3*b |    8 |    4    4 |   *   * 6NM   * |  0  1  1
.   . o4x      |    4 |    0    4 |   *   *   * 3NM |  0  0  2
---------------+------+-----------+-----------------+---------
o4/3x3o .      ♦   12 |   24    0 |   6   8   0   0 | NM  *  *
o4/3x . x4/3*b ♦   4M |   4M   2M |   M   0   M   0 |  * 6N  *
.   x3o4x4/3*b ♦   24 |   24   24 |   0   8   6   6 |  *  * NM