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

// Induced graph on cells.
#0:.
#1:->#0.
#2:->#0.
#3:->#2.
#4:->#1.
#5:->#1,#2,#4.
#6:->#1,#2,#3,#4,#5.
#7:->#1,#4.
#8:->#4,#5.
#9:->#6,#7,#8.

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

// cell #1:
0[1]: {2} --> 1,2
1[4]: {1} --> 0
2[6]: {3} --> 0,3
3[10]: {2} --> 2,4
4[15]: {1} --> 3

// cell #2:
0[2]: {1} --> 1
1[5]: {2} --> 0,2
2[12]: {3} --> 1

// cell #3:
0[3]: {1,2} --> 1
1[7]: {1,3} --> 0,2
2[11]: {2} --> 1

// cell #4:
0[8]: {1,3} --> 1
1[13]: {2} --> 0,2
2[20]: {3} --> 1

// cell #5:
0[9]: {1,2} --> 1
1[17]: {1,3} --> 0,2
2[21]: {2} --> 1

// cell #6:
0[14]: {2,3} --> 2
1[16]: {1,2} --> 2
2[19]: {1,3} --> 0,1,3
3[22]: {1,2} --> 2

// cell #7:
0[18]: {1,2} --> 1
1[23]: {1,3} --> 0

// cell #8:
0[24]: {2,3}

// cell #9:
0[25]: {1,2,3}