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