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