____4_____1
____5_____2
____6_____4
____6_____3
____4_____1
__________x
__________x
____2_____3
____1_____1
____2_____2
____4_____4
__________
__________x
____9_____4
____6_____1
____6_____1
____7_____2
____9_____3
____9_____1
____9_____1
____9_____1
____11____4
____11____3
____9_____1
____12____2
____14____4
____13____3
____11____1
__________x
__________x
__________
____14____3
____13____1
____14____2
____16____4
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