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

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

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

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

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