C2221333133313331311233132313331333133313331323232133313222123313333131   >>    C222133313331333131123313231333133313331333132323213331322212331333313   <<    C2221333133313331311233132313331333133313331323232133313222123313333133   >>      C2221333133313331311233132313331333133313331323232133313222123313333132   >>