Trace: boat

b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
boat
boatboatboatboatboat
boatboatboatboatboat