package q0xx; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class Q15_3 { static InputStream is; static PrintWriter out; static String INPUT = ""; static void solve() { int n = ni(), v = ni(); int sc = ni()-1, sr = ni()-1; int tc = ni()-1, tr = ni()-1; int[][] a = new int[n][]; for(int i = 0;i < n;i++){ a[i] = na(n); } if(v >= (Math.abs(sr-tr)+Math.abs(sc-tc))*9+1){ out.println(Math.abs(sr-tr)+Math.abs(sc-tc)); return; } int[][][] dp = new int[11][n][n]; int I = 99999999; for(int i = 0;i < 11;i++){ for(int j = 0;j < n;j++){ Arrays.fill(dp[i][j], I); } } dp[0][sr][sc] = 0; int[] dr = { 1, 0, -1, 0 }; int[] dc = { 0, 1, 0, -1 }; int ret = I; for(int i = 1, ii = 1;i < 12000;i++, ii++){ if(ii == 11)ii = 0; for(int j = 0;j < n;j++){ for(int k = 0;k < n;k++){ int pre = (i+11-a[j][k]-1)%11; int min = I; for(int l = 0;l < 4;l++){ int pr = j-dr[l], pc = k-dc[l]; if(pr >= 0 && pr < n && pc >= 0 && pc < n && i-(dp[pre][pr][pc]+1) < v){ min = Math.min(min, dp[pre][pr][pc]+1); } } dp[ii][j][k] = min; } } if(dp[ii][tr][tc] != I){ ret = Math.min(dp[ii][tr][tc], ret); } } out.println(ret == I ? -1 : ret); } public static void main(String[] args) throws Exception { // int n = 100, m = 100; // Random gen = new Random(); // StringBuilder sb = new StringBuilder(); // sb.append(n + " "); // sb.append(10000 + " "); // sb.append(1 + " "); // sb.append(1+ " "); // sb.append(n + " "); // sb.append(n+ " "); // for (int i = 0; i < n*n; i++) { // sb.append(gen.nextInt(10) + " "); // } // INPUT = sb.toString(); long S = System.currentTimeMillis(); is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); solve(); out.flush(); long G = System.currentTimeMillis(); tr(G-S+"ms"); } private static boolean eof() { if(lenbuf == -1)return true; int lptr = ptrbuf; while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false; try { is.mark(1000); while(true){ int b = is.read(); if(b == -1){ is.reset(); return true; }else if(!isSpaceChar(b)){ is.reset(); return false; } } } catch (IOException e) { return true; } } private static byte[] inbuf = new byte[1024]; static int lenbuf = 0, ptrbuf = 0; private static int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private static boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private static int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private static double nd() { return Double.parseDouble(ns()); } private static char nc() { return (char)skip(); } private static String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private static char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private static char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private static int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private static int ni() { int num = 0, b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); } }