This file points to 5 pairs of files of the form    "?pw*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1pw4_A	1pw4_A_sse
1pwa_A	1pwa_A_sse
1pwb_A	1pwb_A_sse
1pwh_A	1pwh_A_sse
1pwt	1pwt_sse