Sequence for Band 1 ---------------------- Dilation SE8 Dilation SE6 Dilation SE3 Dilation SE5 Erosion SE8 Erosion SE6 Erosion SE3 Erosion SE5 Sequence for Band 2 ---------------------- Dilation SE4 Dilation SE4 Dilation SE5 Dilation SE5 Erosion SE4 Erosion SE4 Erosion SE5 Erosion SE5 Sequence for Band 3 ---------------------- Dilation SE3 Dilation SE5 Dilation SE4 Dilation SE1 Erosion SE3 Erosion SE5 Erosion SE4 Erosion SE1 Color Change Rule ------------------ [[0, 0, 0, 0], [0, 0, 1, 3], [0, 1, 0, 2], [0, 1, 1, 2], [1, 0, 0, 3], [1, 0, 1, 1], [1, 1, 0, 1], [1, 1, 1, 3]]