This file points to 4 pairs of files of the form "?p7*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)
Crossing File
Backbone Overlay
1p7a_A
1p7a_A_sse
1p7b_A
1p7b_A_sse
1p7h_L
1p7h_L_sse
1p7i_A
1p7i_A_sse