C111123313331323113313331333133313331122112312111133133313223113221   >>    C11112331333132311331333133313331333112211231211113313331322311322   <<    C111123313331323113313331333133313331122112312111133133313223113223   >>      C111123313331323113313331333133313331122112312111133133313223113222   >>