C111123313331323113313331333133313231323133313132313231333223221   >>    C11112331333132311331333133313331323132313331313231323133322322   <<    C111123313331323113313331333133313231323133313132313231333223223   >>      C111123313331323113313331333133313231323133313132313231333223222   >>