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

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

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

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

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