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