// Cells and their vertices.
#0={0}
#1={1,2,3,4,5,6,8,9,13}
#2={7,11,12,16}
#3={10,14,15,17,18,19,20,21,22}
#4={23}

// Induced graph on cells.
#0:.
#1:->#0.
#2:->#1.
#3:->#1,#2.
#4:->#3.

// Individual cells.
// cell #0:
0[0]: {}

// cell #1:
0[1]: {3,6} --> 3,4
1[2]: {2,5} --> 3,4,5,6
2[3]: {1,4} --> 5,6
3[4]: {3,5} --> 0,1,7
4[5]: {2,6} --> 0,1,8
5[6]: {2,4} --> 1,2,7
6[8]: {1,5} --> 1,2,8
7[9]: {3,4} --> 3,5
8[13]: {1,6} --> 4,6

// cell #2:
0[7]: {1,3,4,6} --> 1,2
1[11]: {2,4,6} --> 0,3
2[12]: {1,3,5} --> 0,3
3[16]: {2,5} --> 1,2

// cell #3:
0[10]: {2,3,5,6} --> 2,4
1[14]: {1,2,4,5} --> 3,5
2[15]: {2,3,4,6} --> 0,6,7
3[17]: {1,3,4,5} --> 1,6,7
4[18]: {1,3,5,6} --> 0,7,8
5[19]: {1,2,4,6} --> 1,7,8
6[20]: {2,3,4,5} --> 2,3
7[21]: {1,3,4,6} --> 2,3,4,5
8[22]: {1,2,5,6} --> 4,5

// cell #4:
0[23]: {1,2,3,4,5,6}