C111123313331323113313331313331333132313311211113313232212323131   >>    C11112331333132311331333131333133313231331121111331323221232313   <<    C111123313331323113313331313331333132313311211113313232212323133   >>      C111123313331323113313331313331333132313311211113313232212323132   >>