D233123313113313113313222332313231323132322331323231333132212111   >>    D23312331311331311331322233231323132313232233132323133313221211   <<    D233123313113313113313222332313231323132322331323231333132212113   >>      D233123313113313113313222332313231323132322331323231333132212112   >>