19.8000     E
 23.8300     E
===============
 51.4800     C
 51.9800
 55.5500     C
---------------
 59.4700     C+
===============
 66.4600     B
 67.0600
 68.2000
 68.7800
 74.4700     B
---------------
 78.2300     B+
===============
 85.0700     A
 86.2500
 87.9000     A
---------------
 92.9700     A+
 94.7700
 96.7800     A+