N N N N N N Lean-N N - N N N N N N N N N - N N N N N N N N N N N N . N N N N N N , N NZ N , N N N N N , N N N N Lean N N NZN N NZN N N N NZ N N NZ N N N N N N N , N N N N N N , N . N N N N N , N N N N N N N N , N N N N N N N N N N N N NZ, N N N N N N N N N N N N Lean: N N N N NZ, N N N N NZ, N N NZ N N . N N N N N N N N N N N N N N N N N N N N N N , N N N N . s N N N N N N N N N N N N N , N N Lean-N N N N N N N N N , N N N N N , N N N N N N N , N N N N N . , N N NZ N N N N N N N N N N N N N N N N N N N N N N . z N , N N N N N N N N N N N , N N N N N N .