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

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

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

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

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