Question: Matrix Extension

I'm trying to write a loop which will display matrices of larger than 10x10, as an umbrella matrix with blocks of up to 10x10... for example an 11x14 matrix would display as a 4x4 matrix with the [1,1] element a 10x10 matrix, [1,2] a 1x10, [2,1] a 4x10 and [2,2] a 4x1. Any suggestions on how to do this or where I'd find example code? I'm an undergrad student with only an intermediate level of maple experience so I'll probably struggle with explanations with lots of jargon!
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