C2221333133313331311233132313331333133313331322133313331312233113211331   >>    C222133313331333131123313231333133313331333132213331333131223311321133   <<    C2221333133313331311233132313331333133313331322133313331312233113211333   >>      C2221333133313331311233132313331333133313331322133313331312233113211332   >>