D233123313113313113313222332313231323132322331323231333132223331   >>    D23312331311331311331322233231323132313232233132323133313222333   <<    D233123313113313113313222332313231323132322331323231333132223333   >>      D233123313113313113313222332313231323132322331323231333132223332   >>