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

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

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

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

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