xtrwn0
ytrw
ztrwn
0trwn0
1trw
mksw
nkswn
okswn0
pksw
qkswn
bbtwn
cbtwn0
dbtw
ebtwn
fbtwn0
01twn0
11tw
21twn
31twn0
41tw
psuw
qsuwn
rsuwn0
ssuw
tsuwn