а)

1)

x = 15

y = 5

x = 3

y = 3

x = 1

y = 1

x = 1

y = -1

2)

x = 12

y = 4

x = 3

y = 2

x = 1

y = 0

б)

1)

x = 3

y = 16

x = 8

y = 13

x = 13

y = 10

x = 11

y = 14

x = 16

y = 11

2)

x = 9

y = 5

x = 7

y = 9

x = 12

y = 6

x = 10

y = 10

x = 15

y = 7

x = 13

y = 11

x = 11

y = 15

x = 16

y = 12