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

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

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

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

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