Not quite - 3 weeks rooting, 3 weeks veg, 9 weeks flower
Week 0 - Crop A in cloner
Week 3 - Crop A in veg, Crop B in cloner
Week 6 - Crop A in flower, Crop B in veg, Crop C in cloner
Week 9 - Crop A in flower, Crop B in flower, Crop C in veg, Crop D in cloner
Week 12 - Crop A in flower, Crop B...