C22212323232133313113313331333133313231331122331323323112113131   >>    C2221232323213331311331333133313331323133112233132332311211313   <<    C22212323232133313113313331333133313231331122331323323112113133   >>      C22212323232133313113313331333133313231331122331323323112113132   >>