C1111133313331323223313331333133313113313231323133313123313232333131   >>    C111113331333132322331333133313331311331323132313331312331323233313   <<    C1111133313331323223313331333133313113313231323133313123313232333133   >>      C1111133313331323223313331333133313113313231323133313123313232333132   >>