1 0 KSP Residual norm 4.16083 2 1 KSP Residual norm 1.39526 3 2 KSP Residual norm 0.709249 4 3 KSP Residual norm 0.22477 5 4 KSP Residual norm 0.0202474 6Norm of error 0.0223255, Iterations 4 7 Residual norms for s2_ solve. 8 0 KSP Residual norm 5.16667 9 1 KSP Residual norm 1.03138 10 2 KSP Residual norm 0.248199 11 3 KSP Residual norm 0.0460904 12Norm of error 0.0418613, Iterations 3 13 0 KSP Residual norm 0.0202474 14Norm of error 0.0223255, Iterations 0 15 Residual norms for s2_ solve. 16 0 KSP Residual norm 5.33105 17 1 KSP Residual norm 0.953953 18 2 KSP Residual norm 0.201821 19 3 KSP Residual norm 0.0344746 20Norm of error 0.0312715, Iterations 3 21