C2221333133313331311233132313331333133313331322231333132313331333133322112331   >>    C222133313331333131123313231333133313331333132223133313231333133313332211233   <<    C2221333133313331311233132313331333133313331322231333132313331333133322112333   >>      C2221333133313331311233132313331333133313331322231333132313331333133322112332   >>