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