D2333131333132213231323331313132313223313233313232313231333132313311211   >>    D233313133313221323132333131313231322331323331323231323133313231331121   <<    D2333131333132213231323331313132313223313233313232313231333132313311213   >>      D2333131333132213231323331313132313223313233313232313231333132313311212   >>