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