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Happy New Year and a Healthy 2021

Here is a puzzle with 40 Sudoku's, partial overlapping: 7x Girandola, 10x Asterisk and 1 Explosion

Overlapping areas are colored light-blue and the 40th explosion Sudoku is colored light-green.

Puzzle rating is "Singles Only". Pretty difficult for a human solver; pretty easy for computer solvers.

The picture

Download the picture (is larger than it appears) and print it.

The Code for the easy puzzle (but not so easy)

#40//AC4/AI4/AF10,G/Z22/AL22/T28,A/AR28,A/N40/AX40/AF46,G/H52,A/Z52/AL52/BD52,A/E64/W64,A/AR64,A/BG64/B76,G/Q76,A/AC76,G/AU76/BJ76,G/E88/W88/AR88/BG88/H100,A/Z100/AL100/BD100,A/AF106,A/N112/AX112/T124/AR124/Z130,G/AL130,G/AF136/O40,N-5

.3..8.....91........6..1...........7....................3.........81....1...3....

.....345.............46......7...3......36..1......9.5.......4.....7..2.......7..

.....7..........36..................81.....7..3...................6..........5...

...........3..7........2...........8...3...........4....1..3.2......58......2...7

......3......91......4....824..75............8....6......71..6.9...54............

..........5.......132..9...32...7..1...9.........5......6.438.........6..........

...39.......6...............6...42.1.....2.......6......4..1.........9...28......

9....1..6..6.......1..2............1....3.6....1..8342..............6..7...9.....

...14....9...5..3.......657.......9.7....25.1.924........6..9.5....8....8........

4....9.........4..6.28........9..8..8..2.3.....7............................6....

..5.3.....6.........9..8....8.1...4....5....2......3................79....3.9....

.........27.56.8...4...8..7..........3.......6...7........8...3....1...2.........

8..91.2........................4...........85......9..3..48.....5...7.......36...

9.5.4................6.1...............3......97...8.......8...1...........2.....

..1.......9......7.....3.9..3....7.6........9...5.7................9...3.........

.......8........1...............76.4.............2..7....4.........7.9...........

......8.3........2.....4.....1.....46...9.....4....51...3.................8......

..8.............7.2..........3429...7.9.....1.2........5........6................

..........2.....9...1........27..5.43...4.........5.............68........5......

..18................5......3..1..............5..4......3............7.......1...6

.....1...9..............7.5...3......2.6..87.....17.4.......5...............8....

...........................9.3....78......49.....7.2.1........2...............1..

......4.2........6........14....9......3...6..95....3...............7............

...............4.........1.4.7.........39.........6.43.5.2.....1............3....

..............7.....6...........3...6..4.12..38.....4..6......9...........1....8.

.........75....................478..86...2............4.....9................873.

.68..............75........1.2...8...4......6................9.......21........74

2..............4...3.....2...6.2.......7.....49........5...1....7..36........2...

.....9.........92.....8..............2.......3....2......43.....54..7............

......4............28.5........98....7................4.......1...2...3....3..8..

............................1.........8.2.......3.7................6...8....1....

.....8......1...7......9......29.4.............................81.7............36

......8.....76...............8...4...9...8...31.......8....2...5..39.............

5.........37..5......9........89.4............68..3...............5...9.....3.7.6

.....7.......5............5...6......59..4.6.2...1...9.....9....8.7......7...89..

...92.......47........35....................5..............8..44......7....1.....

......2...6.........9..................79.6..9...4.......6.3.....72..........59..

............7.8....4................9...1.4.............6....21....3........26..8

...4.....6....59.......6........2..6.........9.........6....2.1.....85.3...25..9.

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The Picture with pencil marks

Download the picture (is larger than it appears) and print it.

The Code for the difficult puzzle  (same layout)

#40//AC4/AI4/AF10,G/Z22/AL22/T28,A/AR28,A/N40/AX40/AF46,G/H52,A/Z52/AL52/BD52,A/E64/W64,A/AR64,A/BG64/B76,G/Q76,A/AC76,G/AU76/BJ76,G/E88/W88/AR88/BG88/H100,A/Z100/AL100/BD100,A/AF106,A/N112/AX112/T124/AR124/Z130,G/AL130,G/AF136/O40,N-5

....3....6....5......2......23........5..3..............1......2..6.......6......

...7..8.....48...3...6...........5........................3............6.....67..

...........3......................3.6................6..13..................9....

........1..27.5.....3.............1.6.......9....69......97.......3..7........5..

...1...7......3..9......25..............9.7.......2.3..1...8........7...8..3.....

............2..6..1...4......6........3...................9...2.....496......6...

.....7..57.........3....18.................9......3.7...8...........8..165.......

.........3.9..6....1........8....5.6...9.4.7......1..3...5........2..1......98...

.....29....1...5........6...1.5.........2..54.2..74.....5..3........7.......6....

.........95..6......1....46.....9...5..1......1.........7...................5....

.4.31.........2........4....36......8..1..........3.8...9.....8...6..........86..

..4..9...2.....5.........1.........7..328........7...............................

...7...........53......6.2.............9........2....4.....1........9...7..6.....

......6.....7..1.................463.........8.....9..3..9.......4...............

.7...9....4....6..........85.....3..1....7......2.......5....6.7......9.........3

...........8.......9.........2..9..1.......6....35.......5.7....2................

.......................9.......9..28..5..4..3....8..............................7

9.......................6.......7.....2....7..89...5.18.1......2.................

.1...5......7......5..........96....6.....3...4...7............8.................

.7.8.5...31..6..2..2.7.......8......4.62........6.................5..........9.6.

...7.1.4..............2.9..3...6........3.2...1...5.........4......7.............

......4.........5......7...1.....3.....7.3..9...85..........8....5.....3.......4.

..........................7.....2......4.5.7.76..1.5.................3.9..4......

........7...............5...8.7.....2....8......3158..51...............3...9.....

.....7......6......6..29........4...8..1.....5...9...6.3..................6......

..............5...6............3...28......9......1.3....57..........9......9....

.......................4..............83.59..4.37....5.......9................126

..............3...9.....2..1...4............9..35.......9.7.......9.1...21.......

..........................2....7......6.......3...2.......34.......5......41.....

...........7.2........5......4..7.......9.........2.................5817.......93

4............................9...8.....6..4..5....................5........1.....

........4.............6.......4........9.........8..............15....3...8......

....67.......................83.6...........42.58.........2......9.8........3....

..7..........2.......9.1.....3...867.....9.2..6.........9..31.....4....9.......4.

...1..........94.6...83........6....9.2......5..2...6...87.....1..............5..

...65...9.....2...............9.....1.......5.............1...2...2........8..7..

...5...8.......7...6......2..................5............9........6.........4...

...5........9..1..............4........3.........5....3.......4...............9..

.....2......4........5.1.......2.3......64.............8.....343....78.......6...

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