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