D112132322331322331311213231323132313231232322331323331333132313331221   >>    D11213232233132233131121323132313231323123232233132333133313231333122   <<    D112132322331322331311213231323132313231232322331323331333132313331223   >>      D112132322331322331311213231323132313231232322331323331333132313331222   >>