Put the numbers 1 through 9 into the hexagonal cells so that every line (of any length) contains every digit not more than once. The lines must contain consecutive numbers, i. e., if a line has five cells there can be 2, 3, 4, 5, 6 or 3, 5, 4, 2, 6 but not 3, 4, 1, 9, 8 in the cells.

Smaller example with the numbers 1 through 6:

Puzzle:

Put the numbers 1 through 7 into the hexagonal cells so that every line (of any length) and every zone of 7 cells marked by the rings contains every digit not more than once.

Example:

Puzzle:

Put the numbers 1 through 9 into the hexagonal cells so that every line (of any length) contains every digit not more than once. The lines must contain consecutive numbers, i. e., if a line has five cells there can be 2, 3, 4, 5, 6 or 3, 5, 4, 2, 6 but not 3, 4, 1, 9, 8 in the cells.

Smaller example with the numbers 1 through 6:

Puzzle:

Put the numbers 1 through 7 into the hexagonal cells so that each of 7 large hexagons and every line (of any length) contains every digit not more than once.

Put the numbers 1 through 7 into the hexagonal cells so that each of 7 large hexagons and every line (of any length) contains every digit not more than once.

Put the numbers 1 through 7 into the hexagonal cells so that every line (of any length) contains every digit not more than once.

Put the numbers 1 through 7 into the hexagonal cells so that every line (of any length) contains every digit not more than once.

Fill in the grid so that every row, 9-cell-diagonal, and 3x3 box contains the digits 1 through 9. In the shorter diagonals all digits must be different.

Fill in the grid so that every row, every column and every marked 2 x 2 box contains the digits 1 through 8. In each cell the upper left triangle contains a digit that is less then the digit in the lower right part of the same cell.

Fill the grid with the digits 1 to 9. The digits represent the height of the skyscraper in each cell. Each row, column and 3x3-box has exactly one of each digit. The clues along the edges tell you how many skyscrapers you can see from that vantage point. All occurrences of each shape outlined in black (rotated and/or mirrored) must contain the same set of digits (possibly in different orders). None shape contains a repeated digit.