compare_x    0 0 EQUAL
compare_x    0 1 EQUAL
compare_x    0 2 SMALLER
compare_x    2 0 LARGER
compare_xy   0 0 EQUAL
compare_xy   0 1 SMALLER
compare_xy   1 2 SMALLER
compare_xy   2 1 LARGER
compare_x    3 3 EQUAL
compare_x    3 4 EQUAL
compare_x    3 5 SMALLER
compare_x    5 3 LARGER
compare_xy   3 3 EQUAL
compare_xy   3 4 SMALLER
compare_xy   4 5 SMALLER
compare_xy   5 4 LARGER