VOP_layer

b3 b2 b2 b0 x’ 0 0 0 0 x0 0 0 0 1 x1 0 0 1 0 x2 0 0 1 1 x3 0 1 0 0 x4 0 1 0 1 x5 0 1 1 0 x6 0 1 1 1 x7 1 0 0 0 x8 1 0 0 1 x9 1 0 1 0 x10 1 0 1 1 x11 1 1 0 0 x12 1 1 0 1 x13 1 1 1 … ................
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