C1111233133313231133133313331333133313231331123223313232313233311   >>    C111123313331323113313331333133313331323133112322331323231323331   <<    C1111233133313231133133313331333133313231331123223313232313233313   >>      C1111233133313231133133313331333133313231331123223313232313233312   >>