C123211131133132233131323132313233313233313132313133313232333131   >>    C12321113113313223313132313231323331323331313231313331323233313   <<    C123211131133132233131323132313233313233313132313133313232333133   >>      C123211131133132233131323132313233313233313132313133313232333132   >>