D112331312123313232233131333131122112323223313131323331313123221   >>    D11233131212331323223313133313112211232322331313132333131312322   <<    D112331312123313232233131333131122112323223313131323331313123223   >>      D112331312123313232233131333131122112323223313131323331313123222   >>