C222123232321333131133133313331323133313231333133323311322222132121   >>    C22212323232133313113313331333132313331323133313332331132222213212   <<    C222123232321333131133133313331323133313231333133323311322222132123   >>      C222123232321333131133133313331323133313231333133323311322222132122   >>