(0 4 3)(1 18 8)(2 9 6)(5 19 17)(7 12 10)(11 15 13)(14 20 16)
ALLOWS (11/8)-SEQUENCE
1: (8 15 18)

(0 4 3)(1 18 13 11 15)(2 9 6)(5 19 17)(7 12 10)(8)(14 20 16)
2: (14 20 16)

(0 4 3)(1 18 13 11 15)(2 9 6)(5 19 17)(7 12 10)(8)(14)(16)(20)
3: (5 19 17)

(0 4 3)(1 18 13 11 15)(2 9 6)(5)(7 12 10)(8)(14)(16)(17)(19)(20)
4: (1 18 13)

(0 4 3)(1 11 15)(2 9 6)(5)(7 12 10)(8)(13)(14)(16)(17)(18)(19)(20)