C222133313331333131123313231333133313331313113313331333112113233221   >>    C22213331333133313112331323133313331333131311331333133311211323322   <<    C222133313331333131123313231333133313331313113313331333112113233223   >>      C222133313331333131123313231333133313331313113313331333112113233222   >>