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