Technically all of the main three blocs were coalitions, the bigger picture matching your description. The left-wing coalition was about 9~10 parties, Macron's

Technically all of the main three blocs were coalitions, the bigger picture matching your description. The left-wing coalition was about 9~10 parties, Macron's coalition was around 6~7 right leaning/centrist parties, and Le Pen's block joined by one or two smaller far right/conservative parties.