C222123232321333131133133313331323133313231323133311322133232311   >>    C22212323232133313113313331333132313331323132313331132213323231   <<    C222123232321333131133133313331323133313231323133311322133232313   >>      C222123232321333131133133313331323133313231323133311322133232312   >>