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