Fillomino-Fillia 2 Preview Series: Skyscraper Fillomino

This is a skyscraper Fillomino (AKA Polyominous). The numbers in the grid should be treated as building heights. Numbers on the outside of the grid tell how many buildings are visible when looking from that direction. A building obscures all buildings behind it whose height is equal to or smaller than itself.
Answer Entry: Enter the units digits (last digit) of the number in each circled cell starting with the leftmost column and going right.

Highlight to see the answer: 64816117

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