C222133313331333131123313231333133313331323212331333133313121111331313233121   >>    C22213331333133313112331323133313331333132321233133313331312111133131323312   <<    C222133313331333131123313231333133313331323212331333133313121111331313233123   >>      C222133313331333131123313231333133313331323212331333133313121111331313233122   >>