C222123232321333131133133313331323133313231323133311322131223312321   >>    C22212323232133313113313331333132313331323132313331132213122331232   <<    C222123232321333131133133313331323133313231323133311322131223312323   >>      C222123232321333131133133313331323133313231323133311322131223312322   >>