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