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

// Induced graph on cells.
#0:.
#1:->#0.

// Individual cells.
// cell #0:
0[0]: {1,2} --> 1
1[1]: {1,3} --> 0,2,3
2[2]: {1,4} --> 1,4,5
3[3]: {2,3} --> 1,4
4[4]: {2,4} --> 2,3,6,7
5[6]: {1,5,6} --> 2,7
6[7]: {3,4} --> 4,8
7[9]: {2,5,6} --> 4,5,8
8[11]: {3,5,6} --> 6,7,9
9[14]: {4,5,6} --> 8

// cell #1:
0[5]: {1,2,3} --> 1
1[8]: {1,2,4} --> 0,2,3
2[10]: {1,3,4} --> 1,4,5
3[12]: {1,2,5,6} --> 1,5
4[13]: {2,3,4} --> 2,7
5[15]: {1,3,5,6} --> 2,3,6,7
6[16]: {1,4,5,6} --> 5,8
7[17]: {2,3,5,6} --> 4,5,8
8[18]: {2,4,5,6} --> 6,7,9
9[19]: {3,4,5,6} --> 8