// Cells and their vertices.
#0={0}
#1={4}
#2={1,8,13,20,29}
#3={2,10,23}
#4={3,9,12,19,28}
#5={5,14,21}
#6={6,11,24}
#7={7,15,22}
#8={16,25,37}
#9={17,32,38}
#10={18,33,39}
#11={26,30,35,40}
#12={27,31,36,41}
#13={34,42}
#14={43}
#15={44}

// Induced graph on cells.
#0:.
#1:.
#2:->#0,#1.
#3:->#0.
#4:->#0,#1.
#5:->#3.
#6:->#1.
#7:->#6.
#8:->#2,#4.
#9:->#2,#3,#4,#8.
#10:->#2,#4,#6,#8.
#11:->#3,#4,#5,#8,#9.
#12:->#2,#6,#7,#8,#10.
#13:->#2,#4,#8.
#14:->#8,#9,#10.
#15:->#11,#12,#13,#14.

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

// cell #1:
0[4]: {}

// cell #2:
0[1]: {2} --> 1,2
1[8]: {1} --> 0
2[13]: {3} --> 0,3
3[20]: {2} --> 2,4
4[29]: {1} --> 3

// cell #3:
0[2]: {1} --> 1
1[10]: {2} --> 0,2
2[23]: {3} --> 1

// cell #4:
0[3]: {2} --> 1,2
1[9]: {1} --> 0
2[12]: {3} --> 0,3
3[19]: {2} --> 2,4
4[28]: {1} --> 3

// cell #5:
0[5]: {1,2} --> 1
1[14]: {1,3} --> 0,2
2[21]: {2} --> 1

// cell #6:
0[6]: {1} --> 1
1[11]: {2} --> 0,2
2[24]: {3} --> 1

// cell #7:
0[7]: {1,2} --> 1
1[15]: {1,3} --> 0,2
2[22]: {2} --> 1

// cell #8:
0[16]: {1,3} --> 1
1[25]: {2} --> 0,2
2[37]: {3} --> 1

// cell #9:
0[17]: {1,2} --> 1
1[32]: {1,3} --> 0,2
2[38]: {2} --> 1

// cell #10:
0[18]: {1,2} --> 1
1[33]: {1,3} --> 0,2
2[39]: {2} --> 1

// cell #11:
0[26]: {2,3} --> 2
1[30]: {1,2} --> 2
2[35]: {1,3} --> 0,1,3
3[40]: {1,2} --> 2

// cell #12:
0[27]: {2,3} --> 2
1[31]: {1,2} --> 2
2[36]: {1,3} --> 0,1,3
3[41]: {1,2} --> 2

// cell #13:
0[34]: {1,2} --> 1
1[42]: {1,3} --> 0

// cell #14:
0[43]: {2,3}

// cell #15:
0[44]: {1,2,3}