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

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

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

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

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