D233313133313221323132322331311112211232322331313132313231323132313123221   >>    D23331313331322132313232233131111221123232233131313231323132313231312322   <<    D233313133313221323132322331311112211232322331313132313231323132313123223   >>      D233313133313221323132322331311112211232322331313132313231323132313123222   >>