// Cells and their vertices.
#0={0}
#1={1}
#2={2,5,7}
#3={3,6,8}
#4={4,9,11}
#5={10}

// Induced graph on cells.
#0:.
#1:.
#2:->#0.
#3:->#1.
#4:->#0,#1.
#5:->#2,#3,#4.

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

// cell #1:
0[1]: {}

// cell #2:
0[2]: {1} --> 1
1[5]: {2} --> 0,2
2[7]: {1} --> 1

// cell #3:
0[3]: {1} --> 1
1[6]: {2} --> 0,2
2[8]: {1} --> 1

// cell #4:
0[4]: {1} --> 1
1[9]: {2} --> 0,2
2[11]: {1} --> 1

// cell #5:
0[10]: {1,2}