84x4t 74x4 64x4tr 54x4t 44x4

jex4 iex4tr hex4t gex4 fex4tr

unw4tr tnw4t snw4 rnw4tr qnw4t

5wv4t 4wv4 3wv4tr 2wv4t 1wv4

g6u4 f6u4tr e6u4t d6u4 c6u4tr