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