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

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

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

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

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