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

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

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

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

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