____0_____0
____1_____1
____2_____3
____2_____2
____0_____0
__________x
_________x
____5____4
____2____1
____2____1
____3____2
____5____3
____5_____1
____5_____1
____5_____1
____7_____4
____7_____3
____5_____1
____8_____x
____10____4
____9_____3
____7_____1
__________x
__________x
__________x
____10____3
____9_____1
____10____2
____12____4
__________
____12____1
____13____2
____14____4
____14____3
____12____1
__________x
