(0 18 5)(1 7 3)(2 19 9)(4 16 15)(6 11 8)(10 14 12)(13 20 17)
ALLOWS (11/8)-SEQUENCE
1: (2 9 19)
(0 18 5)(1 7 3)(2 9 19)(4 16 15)(6 11 8)(10 14 12)(13 20 17)
2: (0 18 5)
(0)(1 7 3)(2 9 19)(4 16 15)(5)(6 11 8)(10 14 12)(13 20 17)(18)
3: (2 9 19)
(0)(1 7 3)(2)(4 16 15)(5)(6 11 8)(9)(10 14 12)(13 20 17)(18)(19)
4: (1 7 3)
(0)(1)(2)(3)(4 16 15)(5)(6 11 8)(7)(9)(10 14 12)(13 20 17)(18)(19)