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

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

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

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

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