____0_____0
____0_____0
____1_____1
____2_____3
____2_____2
____0_____0
____4_____3
____5_____4
____4_____2
____2_____1
__________x
__________x
____7_____1 opt.
____9_____3
____9_____3
____9_____3
____7_____1
__________x
____12____4 opt.
____9_____1
____9_____1
____9_____1
____11____2
____12____3
____12____1
____12____1
____13____2
____14____4
____14____3
____12____1
____16____3
____17____4
____16____2
____14____1
__________x
__________x
____0_____0
____0_____0
____1_____1
____2_____2
__________x
__________x
