(0 17 15 12 10 8 5)(1 20 3)(2 7 4)(6 11 9)(13 16 14)(18 21 19)
ALLOWS (11/8)-SEQUENCE
1: (0 1 5)
(0)(1 17 15 12 10 8 5 20 3)(2 7 4)(6 11 9)(13 16 14)(18 21 19)
2: (3 5 20)
(0)(1 17 15 12 10 8 5)(2 7 4)(3)(6 11 9)(13 16 14)(18 21 19)(20)
3: (2 7 4)
(0)(1 17 15 12 10 8 5)(2)(3)(4)(6 11 9)(7)(13 16 14)(18 21 19)(20)
4: (1 17 5)
(0)(1)(2)(3)(4)(5 15 12 10 8)(6 11 9)(7)(13 16 14)(17)(18 21 19)(20)