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A1 Multiple Choices Deb Mohanty 10 + 10 + 10 p

Maze

MirrorImage

OddOneOut

Answer Key: Enter the letters corresponding to correct solutions.

1 2

4 3

1-2A 1-3B 1-4C 2-3D 2-4E 3-4F NoneG

OriginalImage

H

I

J

K

L

M

71 = (14/7)+15+16+18+20N

71 = 14+(15/5)+16+18+20O

71 = 14+15+(16/4)+18+20P

71 = 14+15+16+(18/3)+20Q

71 = 14+15+16+18+(20/2)R

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A2 Multiple Choices Deb Mohanty 15 +15 p

Sudoku

Slitherlink

Answer Key: Enter the letters corresponding to correct solutions.

Sudoku A B

C D E

Slitherlink

3 3

3 1 2 0

1 3 3 3

3 1 1 12 2 3 2

2 2 2 2

1 1 2 1

3 3

F G

H I J

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B1 As Easy As ABC Serkan Yurekli 25 p

L, M, I

Place a letter from thegiven set in some blankcells.Letters do not repeat inrows or columns.

Some cells will remainempty in each row andcolumn.The letters outside thegrid show the first seenletter from that direction.

Answer Key: Enter thealphabets in the markeddirections. Enter X forblank cells.

B2 Strangely As ABC Nikola Zivanovic 25 p

A, B, CRules same as B1 AsEasy As ABC.Some cells extend intoseveral rows / columns.Each letter appearsexactly once in each rowor column, regardless ofthe size of the cells.

Answer Key: Enter the

alphabets in the markeddirections. Enter X forblank cells.

M I L M I I

L M

L

L

M

I L

M

I

I

M L

L L M I I M

X X

X X X X X

X X X X

X X X X X

X X X X

X X X X X

X X

C C C C

C A

C A

A B

C B

B C

B B B B

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C1, C2 Battleships Nikola Zivanovic 20 + 50 p

Locate the given fleet inthe grid, so that eachsegment of a shipoccupies a single cell.Ships do not touch eachother, not evendiagonally.

Some ship segments, orsea cells without any shipsegments, are given inthe grid.The numbers on the rightand bottom edges of thegrid reveal the number ofship segments in that rowor column

Answer Key: For eachrow from top to bottom,

enter the column positionof left most ship segment.Enter X if no ships.

A B C D E F G H I

1 1 1 1 2 1 3

3

1

2

1

3

2

1

3

A B C D E F G H I

1 2 4 2 1

2

3

3

2

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D1, D2 Regional Star Battle Deb Mohanty 25 + 45 p

Place 2 stars in each rowand each column.Stars do not touch eachother, not evendiagonally.Each outlined regioncontains same number of

stars.

Answer Key: For each rowfrom top to bottom, enterthe column position of leftmost star.

A B C D E F G H I J

A B C D E F G H I

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E1 Sudoku Deb Mohanty 30 p

Place a digit from 1 to Nin each cell of the N by Ngrid.Digits do not repeat inrows or columns oroutlined regions.

Answer key: Enter thedigits in the markeddirections.

E2 Skyscraper Sudoku Deb Mohanty 30 p

Apply rules of E1 Sudoku.Digits inside the gridrepresent height ofskyscraper in that cell.Digits outside the gridrepresent total number ofskyscrapers seen (notblocked by a tallerskyscraper) from thecorresponding direction.

Answer key: Enter thedigits in the markeddirections, excluding

outside clues.

4 1 5

5 2

4 8

8

1 9 3 8

4

7 1

3 6

6 5 9

A

B

33

3 3

3

3 3

33

3 3

33

3 3

3

3 3

33

3 3

A

B

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F1 Black And White Loop Horvath Zoltan 35 p

Draw a loop whichpasses all cells exactlyonce.Between two circles withsame colour the loopcannot turn.Between 2 circles with

different colours, the loopmust turn exactly once.

Answer key: Starting withA and traveling clockwisearound the loop, enter theorder the letters arevisited.

F2 Black White & Grey Loop Horvath Zoltan 40 p

Apply rules of F1 Black& White Loop, exceptthat some circles are

grey.Each grey circle can actas either a white circle ora black circle or both.Answer key: Starting withA and traveling clockwisearound the loop, enter theorder the letters arevisited.

A

B

C

D

E F

G

H I

A

B

C

D E

F

G

H

I

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G1 Kakuro Serkan Yurekli 40 p

Place a digit from 1 to 9 ineach white cellSum of eachhorizontal/vertical groupof cells equals thenumber given on itsleft/top.

Digits must not repeatwithin such group.Ignore the circles whilesolving. They are used foranswer key purposesonly.

Answer key: Somecolumns have one circledcell. Enter the digits incircled cells from left toright.

G2 Pentomino Kakuro Serkan Yurekli 65 p

Place the given piecesinto the white cells to forma Kakuro puzzle.The pieces may berotated, but not mirrored.The pieces cannot toucheach other, not even

diagonally.

Answer key: Somecolumns have one circledcell. Enter the digits incircled cells from left toright. Same as G1 Kakuro. Enter X if any ofthe given piece is placedon a cell.

6 6 9 8 29

15

30

7

9

8

7

16

12

14

11

13

30

10

11

22

15

15

12

23

26

10

14

19

15

10

11

12

33

24

6 12

25

7 3 8 4 6

9

9 19

23 13

9

10

4

2

8

5

10 41 9 8

4

7

3

23

6

745 455

45

9

45

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H1 Missing Words Deb Mohanty 45 p

Locate all except 4 (four)given words in the grid.The words appear in astraight line horizontally,vertically, or diagonally.Ignore the labels whilesolving. They are used for

answer key.

Answer key: Enter thelabels of the missingwords.

H2 Missing Letters Serkan Yurekli 30 p

Locate all thegiven words inthe grid.The wordsappear in astraight line

horizontally,vertically, ordiagonally.It is part ofsolving to fill inthe missingletters in thegrid.

Answer key: Foreach row fromtop to bottom,

write themissing letters.

A:

B:

C:

D:

E:

F:

G:

H:

I:

J:

K:

L:

M:N:

L E A D E R I S S U E

M A G A Z I N E G Y B

D B L E C T U R E E

Z E Y M U M A I X L

I O L A A

M O I L M B

P O R A M N M O

U M Y A U A T V

L E M O N E I G H N

S I D E O L O G Y Y

E M E G A D E A T H E

LABYRINTH

MEGADEATH

IMAGINARY

LABORITE

MAGAZINE

IDEOLOGY

LECTURE

MYELOMA

IMPULSE

LEADER

MADMEN

INCOME

LEMON

MINOR

ISSUE

LUXE

MAZE

ITEM

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I1 Tapa Horvath Zoltan 25 p

Paint some empty cellsblack to create acontinuous wall.Number/s in a cellindicates the length ofblack blocks on itsneighbouring cells.

If a cell has more thanone number, there is atleast one white cellbetween the black blocks.No 2X2 square containsonly painted cells.Question marks (?) arereplaced by non-zerodigits.

Answer Key: Enter thelengths of separate

painted cell blocks in themarked directions.

I2 Tapa Difference Horvath Zoltan 45 p

Replace each clue withtwo non-zero digits whosedifference is equal to the

clue.Apply I1 Tapa rules.

Answer Key: Enter thelengths of separatepainted cell blocks in themarked directions.

A

B

A

B

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J1 Corridors Serkan Yurekli 30 p

Divide the grid along thegrid lines into regionsconsisting of five adjacentcells.Each region containsexactly one white and oneblack circle.

No 2X2 area belongs to asingle region.

Answer Key: Enter thelengths of separateregions in the markeddirections.

J2 Happy Dots Nikola Zivanovic 40 p

Rules are same as J1 Corridors, except that thewhite circles are missing.Place one white circlediagonally next to each

black circle.

Answer Key: Enter thelengths of separateregions in the markeddirections.

A

B

A

B

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K1 Tents Horvath Zoltan 55 p

Place a tent horizontallyor vertically next to eachtree.Tents connected todifferent trees do nottouch each other, noteven diagonally.

Numbers outside the gridindicate the number oftents in that row orcolumn.

Answer Key: For eachrow from top to bottom,enter the number tentsconnected horizontally tothe trees.

K2 Family Tents Horvath Zoltan 60 p

Same rules as K1 Tents except that a treecan have more than onetent connected to it.Tents connected to sametree can touch each other

diagonally.

Answer Key: For eachrow from top to bottom,enter the number tentsconnected horizontally tothe trees.

K

K K K

K K

K K KK K

K K

K

K K K

K

K K

3

1

3

1

3

1

3

1

3

1

1 3 1 3 1 3 1 3 1 3

K K

K

K

K

K K K

K K K

K

K

K K

K K

2

3

3

3

2

3

2

3

2

3

3 2 3 2 3 3 3 2 3 2

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L1 - Nurikabe Horvath Zoltan 20 p

Shade some blank cellsso that the grid is dividedinto white regions.Each white regioncontains exactly onenumbered cell and hassame area as the

number.Two white regions mayonly touch each otherdiagonally.All shaded cells areconnected to each otherhorizontally or vertically.Shaded cells do not form2X2 squares.

Answer Key: Enter the

lengths of separatepainted cell blocks in themarked directions.

L2 Snake Eggs Horvath Zoltan 65 p

Locate a snake, passingthrough non-numberedcells, whose head and tailare given.The snake cannot touchitself orthogonally, butcan touch itselfdiagonally.The remaining cellsshould form 9 separateregions with sizes 1~9each.Numbers in the gridindicate size of theregion.

Answer Key: Enter thelengths of separate blocksbelonging to the snake in

the marked directions.

3

1

4

1

6

2

5

6

2

A

B

6

3 7 9

2

5 8

4A

B

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M1 - Slitherlink Serkan Yurekli 60 p

Draw a singlecontinuous loopalong the dottedline segments.The loop cannotintersect orcollide with

itself.Clues giveninside the cellindicate thecount of linesegmentssurrounding thecell those arepart of the loop.Ignore theletters whilesolving. They

are used foranswer keypurpose.

Answer Key:Starting from A,for each letter inalphabeticalorder, enter thenumber of linesegmentsaround it.

M2 Crosslinks Serkan Yurekli 35 p

Apply same rules as M1 Slitherlink except thatthe loop may intersectitself at a point.At every intersection, thesegments travel straightthrough the dot.

Answer Key: Startingfrom A, for each letter inalphabetical order, enterthe number of linesegments around it.

1 3

2 4 3 2 0 3

4 1 1

3 1 4 3 3 3

1 3 4 1 1

1 1 1 4 2 1

2 0 4

1 0 1 4 2

3 1