C222123232321333131133133313331323133313231333133323311322221332111   >>    C22212323232133313113313331333132313331323133313332331132222133211   <<    C222123232321333131133133313331323133313231333133323311322221332113   >>      C222123232321333131133133313331323133313231333133323311322221332112   >>