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