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