Logic Masters Deutschland e.V.

A Ziggurat is a stepped pyramid. Each has a snake in it*.

The snake has the letters of ZIGGURAT on it, such that each distinct letter represents a different digit.
The snake is joined by orthogonal or diagonal links, but does not cross itself.

Normal sudoku rules apply.
Killer cages sum to the given value, with no no repeated digits.
The two diagonals each have all of the digits 1-9.
White dots indicate two cells that differ by one. Black dots have one digit twice the other.

* One is a rattle snake!

Solve the puzzle online at F-Puzzles.