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