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Answers to Puzzle 18:
Puzzle 18 Link Below


This is the board layout

Puzzle 1:


D1-C1 => C1-C4 => A2-C4

Puzzle 2:


C2- A3 => B3-A3 => B4-A3 => A3-C1

Puzzle 3:


B1-C1 => B3-C1 => C1-A2 => D2-A2 => A2-A4

Puzzle 4:


D3-B1 => D4-C3 => D2-C3 => B4-A2 => A3-B1 =>
B1-C3 => A3-C3 => C3-D1

Puzzle 5:


C4-B2 => D1-B2 => B4-C2 => C1-B3 => D4-B2 =>
B2-A1 => B3-A1 => A1-C2 => A4-C2 => C2-B1

Puzzle 6:


A1-B3 => D1-C3 => A4-C3 => D4-B3 => D3-B4 =>
C4-B3 => B3-A2 => C3-A2 => A2-B4 => D2-B4 =>
B4-A3

http://solvepuzzles.googlepages.com/puzzle18