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