// yuki 942 プレゼント配り // 2019.12.8 bal4u #include #include typedef long long ll; int getchar_unlocked(void); int putchar_unlocked(int c); #define gc() getchar_unlocked() #define pc(c) putchar_unlocked(c) int in() { // 非負整数の入力 int n = 0, c = gc(); do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0'); return n; } void out(int n) { // 非負整数の表示(出力) int i = 0; char b[30]; while (n) b[i++] = n % 10 + '0', n /= 10; while (i--) pc(b[i]); } void outs(char *s) { while (*s) pc(*s++); pc('\n'); } int *ans[200002]; int main() { int i, j, k, N, K, a; N = in(), K = in(); if (K == 1) { outs("Yes"); a = 0; while (--N) out(++a), pc(' '); out(++a), pc('\n'); return 0; } if (N == K) { outs("No"); return 0; } int s = N/K; for (i = 0; i < K; ++i) ans[i] = malloc(s*sizeof(int)); if (s & 1) { if (K & 1) { a = 0, k = s-3; for (j = 0; j < k; ++j) { for (i = 0; i < K; ++i) ans[i][j] = ++a; if (++j >= k) break; for (i = K-1; i >= 0; --i) ans[i][j] = ++a; } ll x = 0; for (j = 0; j < k; ++j) x += ans[0][j]; x = (ll)N*(N+1)/(2*K) - x; for (i = 0; i < K; ++i) ans[i][k] = ++a; j = s-2, k = K/2+1; for (i = 0; i < K; ++i) { if (k == K) k = 0; ans[k++][j] = ++a; } ++j; for (i = 0; i < K; ++i) { ans[i][j] = (int)(x-(ans[i][j-2]+ans[i][j-1])); } } else { outs("No"); return 0; } } else { a = 0, j = 0; while (j < s) { for (i = 0; i < K; ++i) ans[i][j] = ++a; ++j; for (i = K-1; i >= 0; --i) ans[i][j] = ++a; ++j; } } outs("Yes"); for (i = 0; i < K; ++i) { out(ans[i][0]); for (j = 1; j < s; ++j) pc(' '), out(ans[i][j]); pc('\n'); } return 0; }