C2221333133313331311233132313331333133313331322231333131111233121   >>    C222133313331333131123313231333133313331333132223133313111123312   <<    C2221333133313331311233132313331333133313331322231333131111233123   >>      C2221333133313331311233132313331333133313331322231333131111233122   >>