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

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

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

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

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