Minimal givens must mean a good puzzle, right?

 Normal sudoku rules apply. The circled numbers are the sum of numbers along the attached arrows.
Any three consecutive cells in any one row contain exactly one of 1,2,3, one of 4,5,6 and one of 7,8,9. Any three consecutive cells in any one column contain exactly one of 1,4,7, one of 2,5,8 and one of 3,6,9.