D112132322331322331311213231323132313231232322331323331333132322112331323121   >>    D11213232233132233131121323132313231323123232233132333133313232211233132312   <<    D112132322331322331311213231323132313231232322331323331333132322112331323123   >>      D112132322331322331311213231323132313231232322331323331333132322112331323122   >>