D2321133131232313231323221323132311331322331313231333132213231323231   >>    D232113313123231323132322132313231133132233131323133313221323132323   <<    D2321133131232313231323221323132311331322331313231333132213231323233   >>      D2321133131232313231323221323132311331322331313231333132213231323232   >>