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

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

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

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

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