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

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

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

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

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