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