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

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

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

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

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