C1111233133313231133133313231333133313113313113313331313331312122311   >>    C111123313331323113313331323133313331311331311331333131333131212231   <<    C1111233133313231133133313231333133313113313113313331313331312122313   >>      C1111233133313231133133313231333133313113313113313331313331312122312   >>