D21221311331322132322331322331322132313231323133112323331123231   >>    D2122131133132213232233132233132213231323132313311232333112323   <<    D21221311331322132322331322331322132313231323133112323331123233   >>      D21221311331322132322331322331322132313231323133112323331123232   >>