• Blue area: This cell must contain 1 dots
• Green area: Sum must not equal
• Red area: This cell must contain 4 dots
• Yellow area: This cell must contain 0 dots
• Purple area: Sum must equal 20
• Orange area: All dots must equal
• Pink area: Sum must equal 30
• Cyan area: This cell must contain 0 dots
• Lime area: This cell must contain 0 dots
• Indigo area: Sum must be less than 3
