C111123313331323113313331333133313331122112312111133131133132333111   >>    C11112331333132311331333133313331333112211231211113313113313233311   <<    C111123313331323113313331333133313331122112312111133131133132333113   >>      C111123313331323113313331333133313331122112312111133131133132333112   >>