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

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

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

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

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