You've made it to part 5, which means it's time to decrease on BOTH sides! Also, by the end of this you'll be at row 100. Woo hoo!
Here's the usual stuff:
b = black
w = white
g = gray
y = color of your choice
z = color of your choice
81. 3b, 5w, 4b, 2w, 7g, 2y, 1g, 2y, 5g, 2z, 1g, 4z, 8g, 2w, 3b, 6w, 2b
82. 2b, 5w, 3b, 2w, 7g, 1z, 1g, 4z, 1g, 1z, 2g, 1y, 2g, 2y, 2g, 1y, 7g, 2w, 5b, 4w, 3b
83. 3b, 3w, 2b, 1w, 3b, 2w, 8g, 1y, 1g, 2y, 1g, 2y, 4g, 3z, 1g, 2z, 7g, 2w, 3b, 4w, 2b
84. 2b, 3w, 3b, 2w, 7g, 2z, 2g, 3z, 4g, 4y, 1g, 2y, 7g, 2w, 3b, 2w, 2b, 2w, 3b
85. 3b, 1w, 2b, 3w, 3b, 2w, 7g, 2y, 1g, 3y, 5g, 2z, 3g, 2z, 7g, 2w, 3b, 2w, 2b
86. 2b, 1w, 3b, 2w, 7g, 3z, 3g, 2z, 5g, 2y, 1g, 2y, 7g, 2w, 3b, 4w, 5b
87. 4b, 5w, 3b, 2w, 7g, 4y, 6g, 1z, 3g, 4z, 7g, 2w, 5b
88. 4b, 2w, 7g, 5z, 1g, 1z, 8g, 3y, 7g, 2w, 3b, 6w, 3b
89. 3b, 6w, 3b, 2w, 7g, 2y, 8g, 5z, 1g, 1z, 8g, 2w, 3b
90. 2b, 2w, 11g, 4z, 9g, 1y, 7g, 2w, 3b, 6w, 3b
91. 3b, 5w, 4b, 2w, 17g, 3z, 12g, 1w, 2b
92. 2b, 1w, 6g, 3z, 3g, 2z, 17g, 2w, 5b, 4w, 3b
93. 3b, 3w, 2b, 1w, 3b, 2w, 14g, 1y, 2g, 2z, 3g, 3z, 5g, 1w, 2b
94. 2b, 1w, 4g, 2z, 4g, 2z, 2g, 2y, 13g, 2w, 3b, 2w, 2b, 2w, 3b
95. 3b, 1w, 2b, 3w, 3b, 2w, 13g, 2y, 2g, 1z, 1g, 1z, 3g, 1z, 4g, 1w, 2b
96. 2b, 1w, 3g, 1z, 3g, 1z, 4g, 2y, 13g, 2w, 3b, 4w, 5b
97. 4b, 5w, 3b, 2w, 13g, 2y, 3g, 1z, 3g, 1z, 3g, 1w, 2b
98. 2b, 1w, 2g, 1z, 3g, 1z, 3g, 2y, 13g, 2w, 3b, 6w, 3b
99. 3b, 6w, 3b, 2w, 13g, 2y, 2g, 2z, 2g, 1z, 2g, 1w, 2b
100. 2b, 1w, 2g, 4z, 3g, 2y, 12g, 2w, 3b, 6w, 3b
You've made it through 100 rows! Congrats!
Here's a photo of my progress thus far: