## we don't really know how the file is organized
all_columns='/Users/X/Library/Mobile Documents/com~apple~Numbers/Documents/file.csv'.readlines()

## so it is up to you to get this far
cols_as_list=all_columns.split(",")

for row in range(0, len(cols_as_list), 6):
    print("row", row)
    for this_col in range(6):
        print("%3s" % (cols_as_list[row+this_col]), end="")
    print()