D223313232112312121213231323133112323131323133313231322331323331323331322221221   >>    D22331323211231212121323132313311232313132313331323132233132333132333132222122   <<    D223313232112312121213231323133112323131323133313231322331323331323331322221223   >>      D223313232112312121213231323133112323131323133313231322331323331323331322221222   >>