C2221333133313331311233132313331333133313331333133313331323133313112113233121   >>    C222133313331333131123313231333133313331333133313331333132313331311211323312   <<    C2221333133313331311233132313331333133313331333133313331323133313112113233123   >>      C2221333133313331311233132313331333133313331333133313331323133313112113233122   >>