And, last, the 3–3–3–1, used by the coach Marcelo Bielsa to help Argentina finish first in the CONMEBOL's 2002 FIFA World Cup qualifiers, become runners-up in the 2004 Copa América and win the gold medal in the 2004 Olympics. It was also employed by the Argentine under-20 team that won the 2015 South American Youth Football Championship. 3–3–3–1 uses mixtures from many of the aforementioned formations: