Odd Lots: 3 Sudokus for the price of 1, or is it 4?

Today's Video:

We’re solving a bunch of Sudokus today centring around odd lots. New variant but highly approachable.

Link to Play Puzzle 1:

Lots of Grey by gdc https://tinyurl.com/SudokuSleuthLotsOfGrey

Rules for Puzzle 1:

Normal 6x6 Sudoku rules apply. Place the digits 1-6 exactly once in every row, column, and 2x3 box.

Odd Lots: A digit in a yellow circle indicates the number of odd digits which appear along the attached line (including itself).

Even Lots: A digit in a blue square indicates the number of even digits which appear along the attached line (including itself).

Link to Play Puzzle 2:

Odd Shots by gdc https://tinyurl.com/SudokuSleuthOddShots

Rules for Puzzle 2:

Normal 6x6 Sudoku rules apply. Place the digits 1-6 exactly once in every row, column, and 2x3 box.

Thermometers: There are filled circles in the grid with connected thick lines called thermometers. The circle represents the bulb of the thermometer. Digits must strictly increase along the thermometer starting from the bulb end.

Odd Lots: A digit in a yellow circle indicates the number of odd digits which appear along the attached thermometer (including itself and the thermo's bulb).

Link to Play Puzzle 3:

Unzip My Heart by gdc https://tinyurl.com/SudokuSleuthUnzipMyHeart

Rules for Puzzle 3:

Normal 6x6 Sudoku rules apply. Place the digits 1-6 exactly once in every row, column and 2x3 box.

Zipper Lines: Lavender lines in the grid are zipper lines. Digits equidistant from the line's circled center must sum to the central digit.

Odd Lots: A digit in a heart indicates the number of odd digits which appear along the attached zipper line (including itself and the circle).