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

Crossing File	Backbone Overlay
1vk0_A	1vk0_A_sse
1vk3_A	1vk3_A_sse
1vk4_A	1vk4_A_sse
1vk6_A	1vk6_A_sse
1vkj_A	1vkj_A_sse