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

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

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

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

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