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