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