C2221333133313331311233132313331333133313331323232131133132211312123311   >>    C222133313331333131123313231333133313331333132323213113313221131212331   <<    C2221333133313331311233132313331333133313331323232131133132211312123313   >>      C2221333133313331311233132313331333133313331323232131133132211312123312   >>