minetest-lexip16/alpha/rail_curved.pgm

P2
16 16
1
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0 0 1 1 0 0 0 0 0 0 1 1 1 1 1 0
0 0 1 1 0 0 0 0 0 0 0 1 1 1 1 1
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0