[Line { amount: 2, change: true }, Line { amount: 2, change: false }, Line { amount: 1, change: true }, Line { amount: 1, change: false }, Line { amount: 1, change: true }, Line { amount: 1, change: false }, Line { amount: 1, change: true }, Line { amount: 1, change: false }]
best: Some(9)
curr:  i: 0 l: 2
best: Some(6)
curr:  i: 0 l: 2
best: Some(9)
curr:  i: 0 l: 4
best: Some(9)
curr:  i: 2 l: 4
best: Some(15)
curr:  i: 0 l: 2
best: Some(9)
curr:  i: 0 l: 2
best: Some(15)
curr:  i: 0 l: 4
best: Some(6)
curr:  i: 0 l: 2
best: Some(12)
curr:  i: 0 l: 2
best: Some(9)
curr:  i: 0 l: 2
best: Some(12)
curr:  i: 0 l: 4
best: Some(12)
curr:  i: 2 l: 4
best: Some(15)
curr:  i: 0 l: 6
best: Some(15)
curr:  i: 2 l: 4
best: Some(6)
curr:  i: 0 l: 2
best: Some(15)
curr:  i: 2 l: 6
best: Some(9)
curr:  i: 0 l: 2
best: Some(15)
curr:  i: 4 l: 6
15