C222133313331333131123313231333133313331333132233312111133131232233311   >>    C22213331333133313112331323133313331333133313223331211113313123223331   <<    C222133313331333131123313231333133313331333132233312111133131232233313   >>      C222133313331333131123313231333133313331333132233312111133131232233312   >>