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

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

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

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

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