# Subset of test.datum, with slightly offset corrections
# for tests of multi-grid functionality
#
# e.g. at P: (56, 11) we should get the
# result (56.001, 11.001)


55.5 57.5   11. 13.   1. 1.

    57.501  11.001  57.501  12.001  57.501  13.001
    56.501  11.001  56.501  12.001  56.501  13.001
    55.501  11.001  55.501  12.001  55.501  13.001