Japanese Arrows (570)

Instruction:

Put a number in each cell without a number so that the number and arrow in each cell indicates how many different numbers exist in the direction the cell is pointing at (not including itself).

Reference: WPF (1)

Examples:

WPF Puzzle GP 2014 - Playoffs (96)

WPF Puzzle GP 2014 - Round 3 (89)

WPF Puzzle GP 2015 - Round 8 (86)

Child puzzles:
Japanese arrows (complete)
Point to numbers