mex_scan000.bc - mex_scan180.bc are kernels where the scanner is fixed at
the indicated angle.

How to reproduce:
    cd production/spice-common/mex/scanner-software
    for i in $(seq 0 180); do ./scanner_ck -i MEX -a $(printf "%03d" $i) -o $(printf "mex_scan%03d.bc" $i); done