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

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

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

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

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