import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Objects; /** * * @author anurag verma */ class Chefandfruits { public static void main(String[] args) { InputReader in=new InputReader(System.in); OutputWriter out=new OutputWriter(System.out); // Long r=in.readLong(); // for(int t=0;t<r;t++) // { solve(in,out); // } out.flush(); out.close(); } // solution private static void solve(InputReader in, OutputWriter out) { // int[][] as=new int[3][3]; for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { as[i][j]=in.readInt(); } } int[][] a1={{8,1,6},{3,5,7},{4,9,2}}; int[][] a2={{4,3,8},{9,5,1},{2,7,6}}; int[][] a3={{2,9,4},{7,5,3},{6,1,8}}; int[][] a4={{6,7,2},{1,5,9},{8,3,4}}; int[][] a5={{6,1,8},{7,5,3},{2,9,4}}; int[][] a6={{8,3,4},{1,5,9},{6,7,2}}; int[][] a7={{4,9,2},{3,5,7},{8,1,6}}; int[][] a8={{2,7,6},{9,5,1},{4,3,8}}; int min=Integer.MAX_VALUE; int[] sum=new int[8]; for(int i=0;i<3;i++ ) for(int j=0;j<3;j++) { sum[0]+=Math.abs(as[i][j]-a1[i][j]); sum[1]+=Math.abs(as[i][j]-a2[i][j]); sum[2]+=Math.abs(as[i][j]-a3[i][j]); sum[3]+=Math.abs(as[i][j]-a4[i][j]); sum[4]+=Math.abs(as[i][j]-a5[i][j]); sum[5]+=Math.abs(as[i][j]-a6[i][j]); sum[6]+=Math.abs(as[i][j]-a7[i][j]); sum[7]+=Math.abs(as[i][j]-a8[i][j]); } for(int i=0;i<8;i++) { if(sum[i]<min) { min=sum[i]; } } System.out.println(min); } //Solution Ends Here // Static Part private static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter; public InputReader(InputStream stream) { this.stream = stream; } public int read() { if (numChars == -1) throw new InputMismatchException(); if (curChar >= numChars) { curChar = 0; try { numChars = stream.read(buf); } catch (IOException e) { throw new InputMismatchException(); } if (numChars <= 0) return -1; } return buf[curChar++]; } public int readInt() { int c = read(); while (isSpaceChar(c)) c = read(); int sgn = 1; if (c == '-') { sgn = -1; c = read(); } int res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c - '0'; c = read(); } while (!isSpaceChar(c)); return res * sgn; } public String readString() { int c = read(); while (isSpaceChar(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isSpaceChar(c)); return res.toString(); } public double readDouble() { int c = read(); while (isSpaceChar(c)) c = read(); int sgn = 1; if (c == '-') { sgn = -1; c = read(); } double res = 0; while (!isSpaceChar(c) && c != '.') { if (c == 'e' || c == 'E') return res * Math.pow(10, readInt()); if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c - '0'; c = read(); } if (c == '.') { c = read(); double m = 1; while (!isSpaceChar(c)) { if (c == 'e' || c == 'E') return res * Math.pow(10, readInt()); if (c < '0' || c > '9') throw new InputMismatchException(); m /= 10; res += (c - '0') * m; c = read(); } } return res * sgn; } public long readLong() { int c = read(); while (isSpaceChar(c)) c = read(); int sgn = 1; if (c == '-') { sgn = -1; c = read(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c - '0'; c = read(); } while (!isSpaceChar(c)); return res * sgn; } public boolean isSpaceChar(int c) { if (filter != null) return filter.isSpaceChar(c); return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } public String next() { return readString(); } public interface SpaceCharFilter { public boolean isSpaceChar(int ch); } } private static class OutputWriter { private final PrintWriter writer; public OutputWriter(OutputStream outputStream) { writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream))); } public OutputWriter(Writer writer) { this.writer = new PrintWriter(writer); } public void print(Object... objects) { for (int i = 0; i < objects.length; i++) { if (i != 0) writer.print(' '); writer.print(objects[i]); } } public void printLine(Object... objects) { print(objects); writer.println(); } public void close() { writer.close(); } public void flush() { writer.flush(); } } }