12.2.65 Number Theory

Condition: Find out which of these numbers are comparable by the module \ (m \); Check whether it is possible to make a full deduction system from these numbers according to the module \ (M \). \ [\ Begin {Array} {l} 253, \ quad-130, \ quad 512, \ quad 84, \ quad-40, \\ 124, \ quad 59, \ quad 176, \ quad 503, \ quad m = 7. \ end {Array} \]