C22212323232133313113313331333132313331323133313332331132222123323311   >>    C2221232323213331311331333133313231333132313331333233113222212332331   <<    C22212323232133313113313331333132313331323133313332331132222123323313   >>      C22212323232133313113313331333132313331323133313332331132222123323312   >>