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