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

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

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

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

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