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

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

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

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

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