C2221232323213331311331333133313231333132313221323131212122211113131   >>    C222123232321333131133133313331323133313231322132313121212221111313   <<    C2221232323213331311331333133313231333132313221323131212122211113133   >>      C2221232323213331311331333133313231333132313221323131212122211113132   >>