D121211111111233131333131333132311313231323223313231323233232231   >>    D12121111111123313133313133313231131323132322331323132323323223   <<    D121211111111233131333131333132311313231323223313231323233232233   >>      D121211111111233131333131333132311313231323223313231323233232232   >>