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