Challenges 10-19 (sketch 3) / Ad #130

Challenges: 10-19 (sketch 2) / Ad #131

Challenge 10-19 (sketch 1)

Challenge 10-12 (sketch 3)

Challenge 10-12 (sketch 2)

Challenge 10-12 (sketch 1)

Challenge 10-5 (sketch 3)

Challenges: 10-5 (sketch 2) / Ad #129

Challenge 10-5 (sketch 1)

Challenges: 9-28 (sketch 3) / Ad #128

Challenge 9-28 (sketch 2)

Challenge 9-28 (sketch 3)

Challenge 9-21 (sketch 3)

Challenge 9-21 (sketch 2)

Challenge 9-21 (sketch 1)

Challenge 9-14 (sketch 3)

Challenges: 9-14 (sketch 2) / Ad #126

Challenges: 9-14 (sketch 1) / Ad #127