count active  passive
   1      R        S
   5      R        T
   8      R        U
   9      R        V
   0      R        W
  29      S        R
  14      S        T
  46      S        U
   4      S        V
   0      S        W
   0      T        R
   0      T        S
   0      T        U
   0      T        V
   0      T        W
   2      U        R
   3      U        S
   1      U        T
  38      U        V
   2      U        W
   0      V        R
   0      V        S
   0      V        T
   0      V        U
   1      V        W
   9      W        R
  25      W        S
   4      W        T
   6      W        U
  13      W        V