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