C22212323232133313113313331333132313231333132212132312221322231   >>    C2221232323213331311331333133313231323133313221213231222132223   <<    C22212323232133313113313331333132313231333132212132312221322233   >>      C22212323232133313113313331333132313231333132212132312221322232   >>