D112132322331322331311213231323132313231232322331323331333132212131   >>    D11213232233132233131121323132313231323123232233132333133313221213   <<    D112132322331322331311213231323132313231232322331323331333132212133   >>      D112132322331322331311213231323132313231232322331323331333132212132   >>