--- | We know what (c t6 2 1 0 0) should be from Sorokina and Zeilfelder, p. 87.
--- This test checks the actual value based on the FunctionValues of the cube.
+-- | We know what (c t6 2 1 0 0) should be from Sorokina and
+-- Zeilfelder, p. 87. This test checks the actual value based on
+-- the FunctionValues of the cube.
+--
+-- If 'prop_c_tilde_2100_rotation_correct' passes, then this test is
+-- even meaningful!