initial implementation of adjacencies
initial implementation of adjacencies

shaunharker/DSGRN,breecummins/DSGRN,shaunharker/DSGRN,shaunharker/DSGRN,goullet/DSGRN,breecummins/DSGRN,shaunharker/DSGRN,breecummins/DSGRN,shaunharker/DSGRN,breecummins/DSGRN,shaunharker/DSGRN,shaunharker/DSGRN,goullet/DSGRN,goullet/DSGRN,goullet/DSGRN,breecummins/DSGRN,goullet/DSGRN,goullet/DSGRN,breecummins/DSGRN,breecummins/DSGRN