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