mount solaris
90
yb.<X>.by
y...L...y
b...w...b
..Wwdws..
..wdddw..
..wdddw..
.mwdddwm.
.wdddddw.
.wdddddw.
.RBBBBBR.
.........
bbbbbbbbb
bbbbbbbbb
.........
.........