2r8sf 1r8s 0r8sfm zr8sf yr8s
d17s c17sfm b17sf a17s 907sfm
oa7sfm na7sf ma7s la7sfm ka7sf
zj6sf yj6s xj6sfm wj6sf vj6s
at5s 9s5sfm 8s5sf 7s5s 6s5sfm