Has all the virtues of single step NMRV virtues, with large ratio
NRV030/040, ratio i= 300, 400, 500, 600,750, 900, 1200, 1500, 1800, 2400, 3200, 4000, 5000
NRV030/050, ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 4800
NRV030/063, ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 5000
NRV040/075 ,ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 5000
NRV040/090, ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 5000
NRV050/110, ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 5000
NRV063/130, ratio i= 300, 400, 500, 600, 750, 900, 1200, 1500, 1800, 2400, 3000, 4000, 5000