##
## brain forebrain heart kidney liver
## 10.5 3 0 4 0 4
## 11.5 0 0 0 4 0
## 12.5 4 0 4 4 4
## 13.5 0 0 4 4 5
## 14.5 0 4 3 3 4
## 15.5 0 4 4 4 4
## 16.5 0 4 4 4 4
## 17.5 0 4 4 4 4
## 18.5 0 4 4 4 4
## 20 0 4 4 4 4
## 23 0 4 4 4 4