C222133313331333131123313231333133313331333133313331323133313331322331221   >>    C22213331333133313112331323133313331333133313331333132313331333132233122   <<    C222133313331333131123313231333133313331333133313331323133313331322331223   >>      C222133313331333131123313231333133313331333133313331323133313331322331222   >>