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