“1+1”
“1-1”
“1+2”
“1-2”
“1+3”
“1-3”
“1+4”
“1-4”
“1+5”
“1-5”
“1+6”
“1-6”
“1+7”
“1-7”
“1+8”
“1-8”
“1+9”
“1-9”
“1+10”
“1-10”
“1+11”
“1-11”
“1+12”
“1-12”
“2+2”
“2-2”
“2+3”
“2-3”
“2+4”
“2-4”
“2+5”
“2-5”
“2+6”
“2-6”
“2+7”
“2-7”
“2+8”
“2-8”
“2+9”
“2-9”
“2+10”
“2-10”
“2+11”
“2-11”
“2+12”
“2-12”
“3+3”
“3-3”
“3+4”
“3-4”
“3+5”
“3-5”
“3+6”
“3-6”
“3+7”
“3-7”
“3+8”
“3-8”
“3+9”
“3-9”
“3+10”
“3-10”
“3+11”
“3-11”
“3+12”
“3-12”
“4+4”
“4-4”
“4+5”
“4-5”
“4+6”
“4-6”
“4+7”
“4-7”
“4+8”
“4-8”
“4+9”
“4-9”
“4+10”
“4-10”
“4+11”
“4-11”
“4+12”
“4-12”
“5+5”
“5-5”
“5+6”
“5-6”
“5+7”
“5-7”
“5+8”
“5-8”
“5+9”
“5-9”
“5+10”
“5-10”
“5+11”
“5-11”
“5+12”
“5-12”
“6+6”
“6-6”
“6+7”
“6-7”
“6+8”
“6-8”
“6+9”
“6-9”
“6+10”
“6-10”
“6+11”
“6-11”
“6+12”
“6-12”
“7+7”
“7-7”
“7+8”
“7-8”
“7+9”
“7-9”
“7+10”
“7-10”
“7+11”
“7-11”
“7+12”
“7-12”
“8+8”
“8-8”
“8+9”
“8-9”
“8+10”
“8-10”
“8+11”
“8-11”
“8+12”
“8-12”
“9+9”
“9-9”
“9+10”
“9-10”
“9+11”
“9-11”
“9+12”
“9-12”
“10+10”
“10-10”
“10+11”
“10-11”
“10+12”
“10-12”
“11+11”
“11-11”
“11+12”
“11-12”
“12+12”
“12-12”