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

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

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

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

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