0 mm -15 mm -15 mm 0 1 0 0 mm 1 0 0 0 mm 0 1 0 0 mm 0 mm -17 mm 0 0 1 2000 GPa/m 0 0 GPa/m 0 mm 1 0 0 0 mm 0 1 0 0 mm 0 0 1