将文本文件转换为列

I am fairly new to awk and it's my first question I am asking. In case my problem was already answered please direct me to the right one. Thanks. So far I neither found a solution nor did I manage to achieve the output I want. Let's assume I have scientific data, all numbers arranged in a single column but represent an intensities matrix of n(width) by m(height). The column of the input file has in total n*m rows. An input example may look like that:I am fairly new to awk and it's my first questi