Incidence matrix according to Dynkin symbol

xno o3x4o3o   (n>2)

. . . . . . | 96n |   2    6 |  1   12   3    6 |   6   6   12   3   2 |  3   6   6   4 1 |  3  2 2
------------+-----+----------+------------------+----------------------+------------------+--------
x . . . . . |   2 | 96n    * |  1    6   0    0 |   6   3    6   0   0 |  3   6   3   2 0 |  3  2 1
. . . x . . |   2 |   * 288n |  0    2   1    2 |   1   2    4   2   1 |  1   2   4   2 1 |  2  1 2
------------+-----+----------+------------------+----------------------+------------------+--------
xno . . . . |   n |   n    0 | 96    *   *    * |   6   0    0   0   0 |  3   6   0   0 0 |  3  2 0
x . . x . . |   4 |   2    2 |  * 288n   *    * |   1   1    2   0   0 |  1   2   2   1 0 |  2  1 1
. . o3x . . |   3 |   0    3 |  *    * 96n    * |   0   2    0   2   0 |  1   0   4   0 1 |  2  0 2
. . . x4o . |   4 |   0    4 |  *    *   * 144n |   0   0    2   1   1 |  0   1   2   2 1 |  1  1 2
------------+-----+----------+------------------+----------------------+------------------+--------
xno . x . . ♦  2n |  2n    n |  2    n   0    0 | 288   *    *   *   * |  1   2   0   0 0 |  2  1 0
x . o3x . . ♦   6 |   3    6 |  0    3   2    0 |   * 96n    *   *   * |  1   0   2   0 0 |  2  0 1
x . . x4o . ♦   8 |   4    8 |  0    4   0    2 |   *   * 144n   *   * |  0   1   1   1 0 |  1  1 1
. . o3x4o . ♦  12 |   0   24 |  0    0   8    6 |   *   *    * 24n   * |  0   0   2   0 1 |  1  0 2
. . . x4o3o ♦   8 |   0   12 |  0    0   0    6 |   *   *    *   * 24n |  0   0   0   2 1 |  0  1 2
------------+-----+----------+------------------+----------------------+------------------+--------
xno o3x . . ♦  3n |  3n   3n |  3   3n   n    0 |   3   n    0   0   0 | 96   *   *   * * |  2  0 0
xno . x4o . ♦  4n |  4n   4n |  4   4n   0    n |   4   0    n   0   0 |  * 144   *   * * |  1  1 0
x . o3x4o . ♦  24 |  12   48 |  0   24  16   12 |   0   8    6   2   0 |  *   * 24n   * * |  1  0 1
x . . x4o3o ♦  16 |   8   24 |  0   12   0   12 |   0   0    6   0   2 |  *   *   * 24n * |  0  1 1
. . o3x4o3o ♦  96 |   0  288 |  0    0  96  144 |   0   0    0  24  24 |  *   *   *   * n |  0  0 2
------------+-----+----------+------------------+----------------------+------------------+--------
xno o3x4o . ♦ 12n | 12n  24n | 12  24n  8n   6n |  24  8n   6n   n   0 |  8   6   n   0 0 | 24  * *
xno . x4o3o ♦  8n |  8n  12n |  8  12n   0   6n |  12   0   6n   0   n |  0   6   0   n 0 |  * 24 *
x . o3x4o3o ♦ 192 |  96  576 |  0  288 192  288 |   0  96  144  48  48 |  0   0  24  24 2 |  *  * n