1 0 KSP Residual norm 3.70388 2 1 KSP Residual norm 1.17021 3 2 KSP Residual norm 0.659553 4 3 KSP Residual norm 0.223905 5 4 KSP Residual norm 0.0231247 6 5 KSP Residual norm 0.0027912 7 6 KSP Residual norm < 1.e-11 8 Residual norms for s2_ solve. 9 0 KSP Residual norm 4.86341 10 1 KSP Residual norm 0.34437 11 2 KSP Residual norm 0.0222537 12 3 KSP Residual norm 0.000517559 13 4 KSP Residual norm 2.18157e-06 14 0 KSP Residual norm < 1.e-11 15 Residual norms for s2_ solve. 16 0 KSP Residual norm 4.49655 17 1 KSP Residual norm 0.362629 18 2 KSP Residual norm 0.0285572 19 3 KSP Residual norm 0.000207309 20 4 KSP Residual norm 5.00173e-06 21