diff --git a/Source/functions/solve/structure.cpp b/Source/functions/solve/structure.cpp
index 828f287..05a62d5 100644
--- a/Source/functions/solve/structure.cpp
+++ b/Source/functions/solve/structure.cpp
@@ -1,30 +1,81 @@
 
-
-bool next()
+bool next(vector<LogEntry>& log, vector<PuzzlePiece*>& p_Box, Puzzle& puzzleMat)
 {
+    //case first log entry empty
+    if(!(log.size())
+    {   
+        log.push_back(LogEntry());
+        solve(log, p_Box,puzzleMat); 
+    }
 
-    //calculates next move according to log
+	//case puzzle solved
+    else if(!(p_Box.size())
+        return 0;
 
-		//case puzzle solved
-			//return 0;
+    //case last log multiple entries
+    else if(log.back().PieceCollector.size() > 1)
+    {
+        //advance abstraction layer of last log by one and solve()
+        //or pick first if highest level reached
+        if(log.back().abstractionLayer < MAX_ABSTRAX)
+        {
+            log.back().advance();
+            solve(log,p_Box,puzzleMat); 
+        }
+        else
+        {
+            setsolution(log,p_Box,puzzleMat);
+        }
+    }
 
-        //case last log empty
-            //backtrack
+    //case last log exactly one solution
+    else if(log.back().PieceCollector.size() == 1)
+    {   
+        //create new log, put next coordinates in and go into solve. then git gud
+        log.push_back(LogEntry());
+        log.back().myCoor = getNextCoor(log, p_Box, puzzleMat);  
+        solve(log, p_Box,puzzleMat); 
+    }
 
-        //case last log exactly one solution
-			//put all remaining puzzle pieces into new log entry
-            //try next piece/place with solve abstraction level 0
+    //case last log empty
+        //backtrack
+    else if(log.back().PieceCollector.size() == 0)
+    {
+        backtrack(log,p_Box,puzzleMat);
+    }
 
-        //case last log multiple entries
-            //advance abstraction layer of last log by one and solve()
-            //or pick first if highest level reached
-
-		//return 1;
+	return 1;
 }
 
-void solve()
+
+coor calculateFirstCoor(vector<LogEntry>& log, vector<PuzzlePiece*>& p_Box, Puzzle& puzzleMat)
 {
-    //case
+    //returns coor of first piece
+    coor firstCoor(0,0);
+    return firstCoor;
+}
+
+coor calculateNextCoor(vector<LogEntry>& log, vector<PuzzlePiece*>& p_Box, Puzzle& puzzleMat)
+{
+    //level 1:
+        //go left to right, then increase current row
+
+        //if 
+
+    //return nextCoor;
+}
+
+void solve(vector<LogEntry>& log, vector<PuzzlePiece*>& p_Box, Puzzle& puzzleMat)
+{
+    switch(log.back().abstraction==0)
+    {
+        case 0:
+        break;
+
+        case 1:
+        break;
+    }
+    if()
         //abstraction layer = 0
             //go to abstraction layer 0 solver
     
@@ -37,19 +88,18 @@ void solve()
 
 void abstractionlayer0solver()
 {
-    //throw all remaining puzzle pieces into log
-        //remove all impossible
+    //throw all remaining puzzle pieces into newest log
 }
 
 void abstractionlayer1solver()
 {
-    //remove all impossible according to abstraction layer one
+    //remove all impossible from newest log according to abstraction layer one
 }
 
 void setsolution()
 {
-    //put 
-    //set pointer to log into matrix 
+    //remove first element in last logelement from box
+    //set pointer to this element into matrix 
 }  
 
 void backtrack()
diff --git a/Source/header/solve.h b/Source/header/solve.h
index fcbd14b..27b7618 100644
--- a/Source/header/solve.h
+++ b/Source/header/solve.h
@@ -36,6 +36,7 @@ private:
     unsigned int  shifts;
     unsigned int  boxidentifier;
     unsigned int  identifier;
+
     static unsigned int idcount;
 };
 
@@ -126,8 +127,7 @@ class coor
 {
 public:
     int m, n;
-    coor():m(-1),n(-1){}
-    coor(int newm,int newn): m(newm), n(newn)
+    coor(int newm=-1,int newn=-1): m(newm), n(newn)
     {}
 };
 
@@ -135,14 +135,14 @@ class LogEntry
 {
 public:
     vector<PuzzlePiece*> PieceCollector;
-    vector<coor> CoorCollector; 
     int abstractionLevel;
-
     coor myCoor;
-    PuzzlePiece* myPuzzlePiece;
+
+    void advance(){abstractionLevel++;}
 
     LogEntry()
     {
+        myCoor();
         abstractionLevel=0;
     }
 private:
diff --git a/Source/main.cpp b/Source/main.cpp
index 59f9f66..a2a86ec 100644
--- a/Source/main.cpp
+++ b/Source/main.cpp
@@ -1,15 +1,34 @@
+#define MAX_ABSTRAX = 1
+
 #include "header.h"
 
+
+
 int main()
 {
+
+	int cols=3, rows=2;
+	//some basic part stuff
 	vector<Part> myFirstPuzzle;
 	Part myFirstPart;
 	myFirstPart.setConnections(0b00101000);
 	myFirstPuzzle.push_back(myFirstPart);
-	cout << "Hello World" << endl;
-	randomBox myFirstBox(2,3);
+
+	//some basic random puzzle stuff
+	randomBox myFirstBox(cols,rows);
 	myFirstBox.createRandomPuzzle();
 	myFirstBox.shuffle();
 	myFirstBox.printPuzzle();
 
+
+
+
+	//some advanced solver stuff
+	vector<LogEntry> log;
+	vector<PuzzlePiece*> p_myFirstBox;
+	for(int i=0;i<myFirstBox.size();i++)
+		p_myFirstBox[i] = &myFirstBox[i];
+	Puzzle puzzleMat(cols, rows);
+
+	while(next(log, p_myFirstBox,puzzleMat));
 }