在散景中制作不同大小的列

I am new to Bokeh and am trying to make a layout of 3 columns which have different amount of plots. For example, column 1 has 3 plots, but column 2 has 4 plots. So far the only way I can do it is by padding the shorter columns with extra entries, but this is obviously a waste of space. I am new to Bokeh and am trying to make a layou