1*vertices 15 10
2 1 "A"
3 2 "B"
4 3 "C"
5 4 "D"
6 5 "E"
7 6 "F"
8 7 "G"
9 8 "H"
10 9 "I"
1110 "J"
1211 "1"
1312 "2"
1413 "3"
1514 "4"
1615 "5"
17*matrix
181 0 0 0 0 1
191 1 0 0 0 2
201 1 1 0 0 3
211 1 1 1 0 4
221 1 1 1 1 5
230 0 0 0 1 1
241 0 0 0 1 2
251 1 0 1 1 4
260 0 0 0 0 0
271 0 1 0 1 3
28