C2221333133313331311233132313331333133313331321123231333133112311232311   >>    C222133313331333131123313231333133313331333132112323133313311231123231   <<    C2221333133313331311233132313331333133313331321123231333133112311232313   >>      C2221333133313331311233132313331333133313331321123231333133112311232312   >>