// Cells and their vertices.
#0={0}
#1={1,2,3,4,5,6}
#2={7}

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

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

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

// cell #2:
0[7]: {1,2,3,4}