C2221333133313331311233132313331333133313331322231333132333112323331   >>    C222133313331333131123313231333133313331333132223133313233311232333   <<    C2221333133313331311233132313331333133313331322231333132333112323333   >>      C2221333133313331311233132313331333133313331322231333132333112323332   >>