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