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