C222123232321333131133133313331323133313231323133311322131313232232311   >>    C22212323232133313113313331333132313331323132313331132213131323223231   <<    C222123232321333131133133313331323133313231323133311322131313232232313   >>      C222123232321333131133133313331323133313231323133311322131313232232312   >>