C222123232321333131133133313331323133313231333133323311322221312133211   >>    C22212323232133313113313331333132313331323133313332331132222131213321   <<    C222123232321333131133133313331323133313231333133323311322221312133213   >>      C222123232321333131133133313331323133313231333133323311322221312133212   >>