C1111233133313231133133313331323133313113313111333132313232313111   >>    C111123313331323113313331333132313331311331311133313231323231311   <<    C1111233133313231133133313331323133313113313111333132313232313113   >>      C1111233133313231133133313331323133313113313111333132313232313112   >>