C2221333133313331311233132313331333133313331323312113313221322123231   >>    C222133313331333131123313231333133313331333132331211331322132212323   <<    C2221333133313331311233132313331333133313331323312113313221322123233   >>      C2221333133313331311233132313331333133313331323312113313221322123232   >>