Logic Masters Deutschland e.V.

Hello everyone. This is my new puzzle. Astronauta (Astronaut) is the ninth puzzle in a series inspired by the Nasca Lines, a group of geoglyphs in southern Peru. I hope you like it.

Rules:

1. Normal sudoku rules apply: Each row, column and 3x3 box contains each digit from 1 to 9 exactly once.

2. Palindromes: From each of the 3 ends of the yellow line (r1c1, r5c5, and r7c9) draw a non-branching line that visits two or more cells and follows a path traced by the yellow line.

• The 3 lines are different and must not overlap, although they may touch or cross each other (i.e. they may share a cell, but never the same pair of adjacent cells along them).
• Not all cells on the yellow line are necessarily visited by any of the 3 lines.
• Each line must not visit the same cell more than once.
• Each line is a palindrome that reads the same forwards and backwards.

3. Kropki Pairs: Digits joined by a white dot must be consecutive. Digits joined by a black dot must be in a 1:2 ratio. Not all possible dots are necesarilly given.

Solve puzzle (9x9 grid) on SudokuPad

Have fun solving!

Here you can find the other puzzles in the series:

#1 Alcatraz

#2 Araña

#3 Ballena

#4 Cactus

#5 Árbol

#6 Colibrí

#7 Cóndor

#8 Flor

#9 Astronauta

#10 Lagarto

#11 Manos

#12 Mono