C22212323232133313113313331333132313331323132322221212212113131   >>    C2221232323213331311331333133313231333132313232222121221211313   <<    C22212323232133313113313331333132313331323132322221212212113133   >>      C22212323232133313113313331333132313331323132322221212212113132   >>