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

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

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

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

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