D23112331322331313231323223313133112323223313221323132313231323221111   >>    D2311233132233131323132322331313311232322331322132313231323132322111   <<    D23112331322331313231323223313133112323223313221323132313231323221113   >>      D23112331322331313231323223313133112323223313221323132313231323221112   >>