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

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

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

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

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