Solution for Knighted Samurai Sumdoku (#547)
http://www.thegriddle.net/547


+4-1+1-3-4+3+2-2Kn......-1Kn+4+1-3+3-2-4+2
-3-2+3Kn+2-1+1+4-4......+2+1-3-2-4-1+4Kn+3
-4+2Kn+1-2+4-1+3-3......-4+3-2+4Kn+2-1+1-3
-2+1-3+3-1Kn-4+2+4......-2-4+2-1+1Kn-3+3+4
Kn+4-1+2+1-4+3-3-2......+4-3Kn+3+2-4+1-1-2
+2+3-4-2+4-3Kn-1+1......+3-1+1-3-2+4-4+2Kn
+3Kn+4-1-3+1-2-4+2Kn+1-1-3+4+3+2-1+1Kn-2-4
-1-3-2-4Kn+2+4+1+3-3+2-4Kn-2-1-4+3-3+2+4+1
+1-4+2+4+3-2-3Kn-1+4-2+3+1+2-4Kn+4-2+3-3-1
............-4-1Kn+2-3-2+4+3+1............
............+1+3-2-4-1+4+2-3Kn............
............+2+4-3+1+3Kn-1-4-2............
+4-4-2Kn+3-3-1+2+1+3-4-3-2Kn+4-3+2+1-1-4+3
-3Kn+1+2-1-4+3-2+4-1Kn+2-4+1-3+4+3-1-2+2Kn
-1+3+2-2+1+4Kn-3-4-2+4+1+3-1+2-2Kn-4-3+1+4
-4+1Kn-1-3-2+4+3+2......+1+4-4Kn-2+3+2-3-1
+3+2-3-4+4+1-2Kn-1......+2-2-1-4+4-3Kn+3+1
-2-1+4+3+2Kn-4+1-3......-3+3Kn-1+1+2+4-2-4
+2-3-1+4-2+3+1-4Kn......+4+2+3+1-1-2-4Kn-3
+1-2-4-3Kn-1+2+4+3......Kn-3-2+3-4+4+1-1+2
Kn+4+3+1-4+2-3-1-2......-1-4+1+2-3Kn+3+4-2