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