9.4.6
9.4.6
   9.5.6
9.5.6
   12.4.6
12.4.6
   9.6.6
9.6.6
   12.5.6
12.5.6
   12.6.6
12.6.6
   24.4.6
24.4.6
   24.5.6
24.5.6
   24.6.6
24.6.6
: