Basically, this is a Hurt and Heal of versions of the Doctor.
First (William Hartnell): 20
Second (Patrick Troughton): 20
Third (Jon Pertwee): 20
Fourth (Tom Baker): 20
Fifth (Peter Davison): 20
Sixth (Colin Baker): 20
Seventh (Sylvester McCoy): 20
Eighth (Paul McGann): 20
The War Doctor (John Hurt): 20
Ninth (Christopher Eccleston): 20
Tenth (David Tennant): 20
Eleventh (Matt Smith): 20
First (William Hartnell): 20
Second (Patrick Troughton): 20
Third (Jon Pertwee): 20
Fourth (Tom Baker): 20
Fifth (Peter Davison): 20
Sixth (Colin Baker): 20
Seventh (Sylvester McCoy): 20
Eighth (Paul McGann): 20
The War Doctor (John Hurt): 20
Ninth (Christopher Eccleston): 20
Tenth (David Tennant): 20
Eleventh (Matt Smith): 20