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

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

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

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

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