BellBoard

 2 3 4 5 6        B. W. I. M. F. H.
 ---------        -----------------
 3 5 2 7 6 4            -
 5 7 3 6 2 4      -
 6 4 7 2 5 3                  2
 2 3 4 7 5 6            2
 3 7 2 5 4 6      -
 4 2 6 3 5                    -
 4 2 3 5 6        -              -
 ---------        -----------------
 6 3 7 4 5 2                  -
 4 2 3 7 5 6            2
 2 7 4 5 3 6      -
(3 4 6 2 5)                   -
(5 6 3 4 2)                -  X
 5 6 3 4 2           3
 6 4 5 2 3        -
 3 4 6 2 5                 2
 3 4 2 5 6        -              -
 ---------       ------------------
 6 2 7 3 5 4                  -
 3 4 2 7 5 6            2
 4 7 3 5 2 6      -
 2 3 6 4 5                    -
 2 3 4 5 6        -              -

X = F,I


****5678: 18
****6578:  6
****7568: 18
****8765: 18
****8657: 18
****3456: 18
     LB4: 70
5678****: 12
6578****: 12
8765****: 12
8756****: 12
5867****: 12
7568****: 10
LB4F    : 51

Queens, Backrounds