D112132322331322331311211331323113313233313233313231232313232221   >>    D11213232233132233131121133132311331323331323331323123231323222   <<    D112132322331322331311211331323113313233313233313231232313232223   >>      D112132322331322331311211331323113313233313233313231232313232222   >>