(0 20 17 4 3)(1 21 19 13 2)(5 9 7)(6 14 11)(8 16 10)(12 18 15)
ALLOWS (11/8)-SEQUENCE
1: (0 3 17)
(0 4 3 20 17)(1 21 19 13 2)(5 9 7)(6 14 11)(8 16 10)(12 18 15)
2: (2 19 13)
(0 4 3 20 17)(1 21 19)(2)(5 9 7)(6 14 11)(8 16 10)(12 18 15)(13)
3: (12 18 15)
(0 4 3 20 17)(1 21 19)(2)(5 9 7)(6 14 11)(8 16 10)(12)(13)(15)(18)
4: (0 20 17)
(0)(1 21 19)(2)(3 20 4)(5 9 7)(6 14 11)(8 16 10)(12)(13)(15)(17)(18)