C222123232321333131133133313331323133313231333133323311322222123213121   >>    C22212323232133313113313331333132313331323133313332331132222212321312   <<    C222123232321333131133133313331323133313231333133323311322222123213123   >>      C222123232321333131133133313331323133313231333133323311322222123213122   >>