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