C222123232321333131133133313331323133313231333133323311322221322121   >>    C22212323232133313113313331333132313331323133313332331132222132212   <<    C222123232321333131133133313331323133313231333133323311322221322123   >>      C222123232321333131133133313331323133313231333133323311322221322122   >>