Dashboard- Groups placement

[smanjunath211]

Hi,
Screen resolution is 1366x768 in one monitor and 1440x900 in another.
zoom levels at 80% and 67% (Changing either resolution or zoom level doesn't seem to have any effect)

the dashboard layout sidebar doesn't show any spaces in group having 18 units width. (also, i cannot see layout for groups having width of 61 units, i can see the for the group having 18 units width.

1 widget unit is set at (33 x 20 pixels)