fix position of left column in matrix (partial fix to #248)
fix position of left column in matrix (partial fix to #248)

walterbender/musicblocks,Hrishi1999/musicblocks,Hrishi1999/musicblocks,walterbender/musicblocks,sachi-d/musicblocks,eohomegrownapps/musicblocks,walterbender/musicblocks,eohomegrownapps/musicblocks,sachi-d/musicblocks,Hrishi1999/musicblocks,sachi-d/musicblocks,eohomegrownapps/musicblocks