____5_____3
____6_____4
____5_____2
____3_____1
__________x
__________x
____1_____1
____1_____1
____2_____2
____3_____4
____3_____3
____1_____1
____5_____1
____6_____2
____5_____1
____7_____3
____8_____4
__________x
____8_____1 opt.
____10____3
____10____3
____10____3
____8_____1
__________x
____13____4 opt.
____10____1
____10____1
____10____1
____12____2
____13____3
____13____1
____13____1
____14____2
____15____4
____15____3
____13____1
____1_____1
____1_____1
____2_____2
____3_____3
__________x
__________x
