$\backslash$table$[[$WS$,$Elements,Time$],[1,Al,67],[2,DG,71],[3,N,71],[4,BC,60],[5,JE,60],[6,K,28],[7,FH,61],[8,L,59],[9,M,60]]$

Question #$8$

Using the CT from question #$1,$ is this layout valid?

If it is not, what is the problem: cycle time violation, precedence, or both?