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