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