t4x1i s4x1 r4x1il q4x1i p4x1

4dx1 3dx1il 2dx1i 1dx1 0dx1il

fnw1il enw1i dnw1 cnw1il bnw1i

qwv1i pwv1 owv1il nwv1i mwv1

15u1 05u1il z5u1i y5u1 x5u1il