D233313133313221323132322331323211331323321323222332313231323123221   >>    D23331313331322132313232233132321133132332132322233231323132312322   <<    D233313133313221323132322331323211331323321323222332313231323123223   >>      D233313133313221323132322331323211331323321323222332313231323123222   >>