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