C222133313331333131123313231333133313331333133313331333133313113213221   >>    C22213331333133313112331323133313331333133313331333133313331311321322   <<    C222133313331333131123313231333133313331333133313331333133313113213223   >>      C222133313331333131123313231333133313331333133313331333133313113213222   >>