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