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

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

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

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

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