D121212121213132313113313231123313231323132322131323132333132322331313231   >>    D12121212121313231311331323112331323132313232213132313233313232233131323   <<    D121212121213132313113313231123313231323132322131323132333132322331313233   >>      D121212121213132313113313231123313231323132322131323132333132322331313232   >>