C2221333133313331311233132313331333133313331311233133313311213332221   >>    C222133313331333131123313231333133313331333131123313331331121333222   <<    C2221333133313331311233132313331333133313331311233133313311213332223   >>      C2221333133313331311233132313331333133313331311233133313311213332222   >>