C111123313331323113313331333133313331323132333132313331323131323133313231132221   >>    C11112331333132311331333133313331333132313233313231333132313132313331323113222   <<    C111123313331323113313331333133313331323132333132313331323131323133313231132223   >>      C111123313331323113313331333133313331323132333132313331323131323133313231132222   >>