C2221333133313331311233132313331333133313331321123231333132212111133233232331   >>    C222133313331333131123313231333133313331333132112323133313221211113323323233   <<    C2221333133313331311233132313331333133313331321123231333132212111133233232333   >>      C2221333133313331311233132313331333133313331321123231333132212111133233232332   >>