D112331312123313232233131333131122112323223313131323331312323311   >>    D11233131212331323223313133313112211232322331313132333131232331   <<    D112331312123313232233131333131122112323223313131323331312323313   >>      D112331312123313232233131333131122112323223313131323331312323312   >>