____6_____3
____7_____4
____6_____2
____4_____1
__________x
__________x
____2_____1
____2_____1
____3_____2
____4_____4
____4_____3
____2_____1
____5_____1
____6_____2
____5_____1
____8_____3
____9_____4
__________x
____9_____1 opt.
____11____3
____11____3
____11____3
____9_____1
__________x
____14____4 opt.
____11____1
____11____1
____11____1
____13____2
____14____3
____14____1
____14____1
____15____2
____16____4
____16____3
____14____1
____2_____1
____2_____1
____3_____2
____4_____3
__________x
__________x
