(0 20 18)(1 17 14 7 2)(3 21 5)(4 9 6)(8 19 16 12 10)(11 15 13)
ALLOWS (11/8)-SEQUENCE
1: (0 4 9)

(0 6 4 20 18)(1 17 14 7 2)(3 21 5)(8 19 16 12 10)(9)(11 15 13)
2: (2 14 7)

(0 6 4 20 18)(1 17 14)(2)(3 21 5)(7)(8 19 16 12 10)(9)(11 15 13)
3: (8 19 10)

(0 6 4 20 18)(1 17 14)(2)(3 21 5)(7)(8)(9)(10 16 12)(11 15 13)(19)
4: (3 21 5)

(0 6 4 20 18)(1 17 14)(2)(3)(5)(7)(8)(9)(10 16 12)(11 15 13)(19)(21)