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