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

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

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

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

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