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

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

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

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

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