C2221333133313331311233132313331333133313232123313331323331323211331   >>    C222133313331333131123313231333133313331323212331333132333132321133   <<    C2221333133313331311233132313331333133313232123313331323331323211333   >>      C2221333133313331311233132313331333133313232123313331323331323211332   >>