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