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