C2221333133313331311233132313331333133313331333133313331323133313113313232221   >>    C222133313331333131123313231333133313331333133313331333132313331311331323222   <<    C2221333133313331311233132313331333133313331333133313331323133313113313232223   >>      C2221333133313331311233132313331333133313331333133313331323133313113313232222   >>