The ascend sort return my list as:
EXCEL SORT WOULD PREFER THIS
R10-1 R1-1
R10-10L R1-2
R10-2 R10-1
R1-1 R10-2
R11-1 R10-10L
R1-2 R11-1
R12-1 R12-1

I would prefer the sort from the second column. The second column was
assembled manually.