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