C222133313331333131123313231333133313331313113313331333131333132233323321   >>    C22213331333133313112331323133313331333131311331333133313133313223332332   <<    C222133313331333131123313231333133313331313113313331333131333132233323323   >>      C222133313331333131123313231333133313331313113313331333131333132233323322   >>