:e1 :e2 :e3 :e4 :e5 :e6 :e7 :e8 :e9 :f0 :f1 :f2 :f3 :f4 :f5 :f6 :f7 :f8 :f9 :h0 :h1 :h2 :h3 :h4 :h5 :h6 :h7 :d1 :d2
:g1 :g2 :g3 :g4 :g5 :g6 :g7 :g8 :g9 :b1 :b2 :b3 :b4 :b5 :b8 :b9 :c1 :c2 :c3 :c4 :c5 :c6 :c7 :c8 :c9 :d3 :d4