
M = [
     .2  0  0  0   0  0;
     .6 .1 0   0   0  0;
     0  .7 .1  0   0  0;
     0  0  .8  .1  0  0;
     0  0  0  .75  1  0;
     .2 .2 .1 .15  0  1 ]

