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