b11bg c11bgr d11b e11bg f11bgr

0r2bgr 1r2b 2r2bg 3r2bgr 4r2b

pi3b qi3bg ri3bgr si3b ti3bg

e93bg f93bgr g93b h93bg i93bgr

3z4bgr 4z4b 5z4bg 6z4bgr 7z4b