C1111233133313231133133313231333133313113313113313331333132312233311   >>    C111123313331323113313331323133313331311331311331333133313231223331   <<    C1111233133313231133133313231333133313113313113313331333132312233313   >>      C1111233133313231133133313231333133313113313113313331333132312233312   >>