C2221333133313331311233132313331333133313331322133313331313332221   >>    C222133313331333131123313231333133313331333132213331333131333222   <<    C2221333133313331311233132313331333133313331322133313331313332223   >>      C2221333133313331311233132313331333133313331322133313331313332222   >>