C222123232321333131133133313331323133313231333133323311322222332223221   >>    C22212323232133313113313331333132313331323133313332331132222233222322   <<    C222123232321333131133133313331323133313231333133323311322222332223223   >>      C222123232321333131133133313331323133313231333133323311322222332223222   >>