Poisson_solver_multigrid.pl 10 10 1 test-up-from-cb >test-up-from-cb
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Poisson_solver_multigrid.pl 10 10 1 test-down-to-cb >test-down-to-cb
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Poisson_solver_multigrid.pl 10 10 1 test-down-from-cb >test-down-from-cb
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Poisson_solver_multigrid.pl 10 10 1 test-up-to-cb >test-up-to-cb
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