50.696095 a delay from carri input
97.5586 the adder group
70.93952 some bit
74.42835 intermedi group
49.470074 each adder group
65.3763 carri scheme
79.57689 a plural of adder group
36.339878 a most signific group
57.244774 a least signific adder group
76.34234 a high speed adder
31.427813 a delay from operand input
