(1) maps to 3
(0, 2) maps to 10
(1, 2) maps to 10
(1, 3) maps to 10
(2, -10) maps to 10
(2, 2) maps to 10
KeyStruct(0)
KeyStruct(KeyStruct &)
~KeyStruct = {0}
KeyStruct(1)
KeyStruct(KeyStruct &)
~KeyStruct = {1}
ins res = 1
ins res = 1
~KeyStruct = {0}
~KeyStruct = {1}
6
6
0
TEST 5
1
2
3
1
1
2
2
2
3
3