,AAA,AA,A,BBB,BB,B,CCC,D
AAA,1.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
AA,0.000000,1.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.099968,0.890067,0.000000,0.000000,0.009965,0.000000,0.000000
BBB,0.000000,0.000000,0.066512,0.863863,0.033314,0.000000,0.002996,0.033314
BB,0.000000,0.000000,0.000000,0.000000,0.884480,0.000000,0.004975,0.110545
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.743782,0.131256,0.124962
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.020000,0.786556,0.187444
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000