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

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

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

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

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