startshape start rule start 0.998 { fish {} loop {} } rule start 0.001{ fish {} } rule loop { start {x 1 y 1} } rule loop { start {x -1 y -1} } rule loop { start {h 1 x -1 y -3} } rule loop { start {x -1 y 1 r 5} } rule end 0.1 { } rule fish { choice {h 1} } rule choice { left {} } rule choice { right {} } rule left 0.99 { CIRCLE {s 0.9925 hue 214.9025 sat 0.5462 b 1.0000} left {x 0.03 h-0.1 s 0.991 r 0.5} } rule right 0.99 { CIRCLE {s 0.9925 hue 214.9025 sat 0.5462 b 1.0000} right {x 0.03 h 0.1 s 0.991 r -0.5} } rule left 0.01 { choice {} } rule right 0.01 { choice {} }