C1111233133313231133133313233313231323132313231131211113313232331   >>    C111123313331323113313331323331323132313231323113121111331323233   <<    C1111233133313231133133313233313231323132313231131211113313232333   >>      C1111233133313231133133313233313231323132313231131211113313232332   >>