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

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

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

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

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