C222133313331333131123313231333133313331311111211113313331322121111131121132211   >>    C22213331333133313112331323133313331333131111121111331333132212111113112113221   <<    C222133313331333131123313231333133313331311111211113313331322121111131121132213   >>      C222133313331333131123313231333133313331311111211113313331322121111131121132212   >>