D132311233131333131331123232233132313232233133311221123231323223321   >>    D13231123313133313133112323223313231323223313331122112323132322332   <<    D132311233131333131331123232233132313232233133311221123231323223323   >>      D132311233131333131331123232233132313232233133311221123231323223322   >>