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