pcbg qcbgr rcbgrn scbg tcbgr

e3bgr f3bgrn g3bg h3bgr i3bgrn

3tcgrn 4tcg 5tcgr 6tcgrn 7tcg

skdg tkdgr ukdgrn vkdg wkdgr

hbegr ibegrn jbeg kbegr lbegrn