x4r2qe w4r2q v4r2 u4r2qe t4r2q
8dr2q 7dr2 6dr2qe 5dr2q 4dr2
jnq2 inq2qe hnq2q gnq2 fnq2qe
uwp2qe twp2q swp2 rwp2qe qwp2q
55o2q 45o2 35o2qe 25o2q 15o2