solo:
1|------4--3--4--3--1-------------------4-----------|
2|--4------------------555555-----4-5-7---888888----|
3|-------------------------------5------------------|
4|--------------------------------------------------|
5|--------------------------------------------------|
6|--------------------------------------------------|
1|-----6--------------------------------------------|
2|-8-9---9-8-9v-6--8-9-11-9-8-9---------------------|
3|------------------------------10------------------|
4|--------------------------------------------------|
5|--------------------------------------------------|
6|--------------------------------------------------|
1|--------------------3-4-4/5-4----8-4--------------|
2|-----------5-3-1-2-------------6------------------|
3|-----3-5-3----------------------------------------|
4|--5-----------------------------------------------|
5|--------------------------------------------------|
6|--------------------------------------------------|
1|--------6--8--5-----5-----------------------------|
2|--6--9-----------8--------------------------------|
3|--------------------------------------------------|
4|--------------------------------------------------|
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