// Cells and their vertices.
#0={0}
#1={1,4,5,8,9}
#2={2,6,14,19,24}
#3={3,7,15,20,26}
#4={10,13,16}
#5={11,17,21,22}
#6={12,18,23,25}

// Induced graph on cells.
#0:.
#1:->#0.
#2:->#0.
#3:->#0.
#4:->#1.
#5:->#1,#2,#4.
#6:->#1,#3,#4.

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

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

// cell #2:
0[2]: {1} --> 1
1[6]: {2} --> 0,2
2[14]: {3} --> 1,3
3[19]: {2} --> 2,4
4[24]: {1} --> 3

// cell #3:
0[3]: {1} --> 1
1[7]: {2} --> 0,2
2[15]: {3} --> 1,3
3[20]: {2} --> 2,4
4[26]: {1} --> 3

// cell #4:
0[10]: {1,2} --> 1
1[13]: {1,3} --> 0,2
2[16]: {2} --> 1

// cell #5:
0[11]: {1,2} --> 1
1[17]: {1,3} --> 0,2,3
2[21]: {2,3} --> 1
3[22]: {1,2} --> 1

// cell #6:
0[12]: {1,2} --> 1
1[18]: {1,3} --> 0,2,3
2[23]: {2,3} --> 1
3[25]: {1,2} --> 1