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

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

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

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

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