(0 20 17 5 3)(1 10 9)(2 7 4)(6 12 8)(11 21 19 16 13)(14 18 15)
ALLOWS (11/8)-SEQUENCE
1: (1 10 18)
(0 20 17 5 3)(1 15 14 18 9)(2 7 4)(6 12 8)(10)(11 21 19 16 13)
2: (5 20 17)
(0 20 3)(1 15 14 18 9)(2 7 4)(5)(6 12 8)(10)(11 21 19 16 13)(17)
3: (1 15 9)
(0 20 3)(1)(2 7 4)(5)(6 12 8)(9 14 18)(10)(11 21 19 16 13)(15)(17)
4: (16 21 19)
(0 20 3)(1)(2 7 4)(5)(6 12 8)(9 14 18)(10)(11 21 13)(15)(16)(17)(19)