C1111233133313231133133313331323133313113313121111133313232212132313331313111   >>    C111123313331323113313331333132313331311331312111113331323221213231333131311   <<    C1111233133313231133133313331323133313113313121111133313232212132313331313113   >>      C1111233133313231133133313331323133313113313121111133313232212132313331313112   >>