D112132322331322331311213231323132313231232322331323331333132313211232313131   >>    D11213232233132233131121323132313231323123232233132333133313231321123231313   <<    D112132322331322331311213231323132313231232322331323331333132313211232313133   >>      D112132322331322331311213231323132313231232322331323331333132313211232313132   >>