C222133313331333131123313231333133313331333132323213331312111111331333132121   >>    C22213331333133313112331323133313331333133313232321333131211111133133313212   <<    C222133313331333131123313231333133313331333132323213331312111111331333132123   >>      C222133313331333131123313231333133313331333132323213331312111111331333132122   >>