D112132322331322331311213231323132313231232322331323331333131323131211111   >>    D11213232233132233131121323132313231323123232233132333133313132313121111   <<    D112132322331322331311213231323132313231232322331323331333131323131211113   >>      D112132322331322331311213231323132313231232322331323331333131323131211112   >>