C111123313331323113313331323133313231333131323132313231323231321   >>    C11112331333132311331333132313331323133313132313231323132323132   <<    C111123313331323113313331323133313231333131323132313231323231323   >>      C111123313331323113313331323133313231333131323132313231323231322   >>