C222133313331333131123313231333133313331333132112323131333132313331123232311   >>    C22213331333133313112331323133313331333133313211232313133313231333112323231   <<    C222133313331333131123313231333133313331333132112323131333132313331123232313   >>      C222133313331333131123313231333133313331333132112323131333132313331123232312   >>