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for (int i = 1; i <= 9; i++) {
for (int j = 1; j < i+1; j++) {
System.out.print(i*j + "\t");
}
System.out.println();
}
System.out.print("●\t");
for (int i = 1; i < 10; i++) {
System.out.print(i + "\t");
}
System.out.println();
for (int i = 1; i < 10; i++) {
System.out.print(i + "\t");
for (int j = 1; j <= i; j++) {
System.out.print(i * j + "\t");
}
System.out.println();
}