Figure 1.
Required regions for MPSC of z by X. The ith required region is bounded by the i + 1th positional substring in the leftmost MPSC and the i − 1th positional substring in the rightmost MPSC.
Required regions for MPSC of z by X. The ith required region is bounded by the i + 1th positional substring in the leftmost MPSC and the i − 1th positional substring in the rightmost MPSC.