Challenges 2019

Synthesis Challenge # 77

Synthesis Challenge # 77 Key

Synthesis Challenge # 78

Synthesis Challenge # 78 Key

Synthesis Challenge # 79

Synthesis Challenge # 79 Key

Synthesis Challenge # 80

Synthesis Challenge # 80 Key

Synthesis Challenge # 81

Synthesis Challenge # 81 Key

Synthesis Challenge # 82

Synthesis Challenge # 82 Key