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