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

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

// Individual cells.
// cell #0:
0[0]: {1,2} --> 1,2
1[1]: {1,3} --> 0,3
2[2]: {1,3} --> 0,4
3[3]: {2,3} --> 1
4[4]: {2,3} --> 2

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

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