____13____1
____15____4
____13____1
____15____3
____13____1
__________x
____1_____1
____3_____4
____1_____1
____3_____3
____1_____1
__________x
__________x
____6_____3
____7_____4
____6_____2
__________x
____6_____1
____6_____1 opt.
____9_____4
____7_____2
____6_____1
____8_____3
____6_____1
____10____4
____9_____2
____10____3
____8_____1
__________x
__________x
__________x
____11____1
____13____4
____12____2
____13____3
__________x
____4_____1
____6_____2
____7_____3
____8_____4
__________x
__________x
