D1212132333131333131323211232313233313232332333131333132313331323233111   >>    D121213233313133313132321123231323331323233233313133313231333132323311   <<    D1212132333131333131323211232313233313232332333131333132313331323233113   >>      D1212132333131333131323211232313233313232332333131333132313331323233112   >>