C222133313331333131123313231333133313331313113313331333131333133322233231   >>    C22213331333133313112331323133313331333131311331333133313133313332223323   <<    C222133313331333131123313231333133313331313113313331333131333133322233233   >>      C222133313331333131123313231333133313331313113313331333131333133322233232   >>