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

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

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

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

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