D1212132333131333131323211232313233313232332333131333132313231333132322113221   >>    D121213233313133313132321123231323331323233233313133313231323133313232211322   <<    D1212132333131333131323211232313233313232332333131333132313231333132322113223   >>      D1212132333131333131323211232313233313232332333131333132313231333132322113222   >>