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