C22212323232133313113313331333132313331323133313332331132222122332331   >>    C2221232323213331311331333133313231333132313331333233113222212233233   <<    C22212323232133313113313331333132313331323133313332331132222122332333   >>      C22212323232133313113313331333132313331323133313332331132222122332332   >>