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