# Checker for Co2 # Check orders from the definition chor 1 2 chor 2 5 mu 1 2 3 chor 3 28 # Check x is in 2A using (xy)^14 as reference 2A element pwr 14 3 4 mu 1 4 5 chor 5 3 # Nothing more required; if y had been 5B, the order would have been 2.