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

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

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

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

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