ct1bl2 dt1b et1bl ft1bl2 gt1b

1j2b 2j2bl 3j2bl2 4j2b 5j2bl

qa3bl ra3bl2 sa3b ta3bl ua3bl2

f13bl2 g13b h13bl i13bl2 j13b

4r4b 5r4bl 6r4bl2 7r4b 8r4bl