Sum Snowflake
Fill in the diamonds with the numbers 1 through 5 so that each number appears exactly six times and no two adjacent diamonds contain the same number. A white circle between diamonds indicates that the sum of the numbers in those diamonds is five. A blue circle indicates the sum is six, and a grey circle indicates the sum is seven.
You need to “spend” your allocation of each of the numbers carefully. A much easier puzzle with the same rule set can be found here at Quadrata if you’d like to practice there first, or simply want a different snowflake puzzle.