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

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

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

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

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