C2221333133313331311233132313331333133313331311233132333132231231   >>    C222133313331333131123313231333133313331333131123313233313223123   <<    C2221333133313331311233132313331333133313331311233132333132231233   >>      C2221333133313331311233132313331333133313331311233132333132231232   >>