C222123232321333131133133313331323133313231323133311322122331331231   >>    C22212323232133313113313331333132313331323132313331132212233133123   <<    C222123232321333131133133313331323133313231323133311322122331331233   >>      C222123232321333131133133313331323133313231323133311322122331331232   >>