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

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

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

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

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