D132311233131333131331123232233132313232233133313132313231323223313232222321   >>    D13231123313133313133112323223313231323223313331313231323132322331323222232   <<    D132311233131333131331123232233132313232233133313132313231323223313232222323   >>      D132311233131333131331123232233132313232233133313132313231323223313232222322   >>