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