(0 21 2)(1 19 17)(3 11 5)(4 14 12 9 6)(7 10 8)(13 18 16)(15 22 20)
ALLOWS (11/8)-SEQUENCE
1: (4 7 10)

(0 21 2)(1 19 17)(3 11 5)(4 8 7 14 12 9 6)(10)(13 18 16)(15 22 20)
2: (6 12 9)

(0 21 2)(1 19 17)(3 11 5)(4 8 7 14 12)(6)(9)(10)(13 18 16)(15 22 20)
3: (3 11 5)

(0 21 2)(1 19 17)(3)(4 8 7 14 12)(5)(6)(9)(10)(11)(13 18 16)(15 22 20)
4: (4 8 12)

(0 21 2)(1 19 17)(3)(4)(5)(6)(7 14 12)(8)(9)(10)(11)(13 18 16)(15 22 20)