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