D121212122132313231323233231323223313232233131131211233131323131121   >>    D12121212213231323132323323132322331323223313113121123313132313112   <<    D121212122132313231323233231323223313232233131131211233131323131123   >>      D121212122132313231323233231323223313232233131131211233131323131122   >>