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