D121212121213132313113313231123313232233133313331313231311112331   >>    D12121212121313231311331323112331323223313331333131323131111233   <<    D121212121213132313113313231123313232233133313331313231311112333   >>      D121212121213132313113313231123313232233133313331313231311112332   >>