Why are Ami and Mami in one card (Category 9 of Spades) while the rest of Mami (the left leg and ponytail) fall in Category 10 of Spades? Isn't that awkward?

Chihaya: Gothic Princess, Indigo Spangle, Pleiades the Five-Hundred Misumaru
Yayoi: Monochrome Spot, Fake Rider, Mandarin Venus
Haruka: Snow Strawberry, Red Sequin, Galactic Bouquet
Iori: Floral Checker, Pink Military, Pink Apollo
Ritsuko: Muted Princess, King of Pearl 360, Musket Planet
Azusa: September Violet, Lively Rose, Schwarzschild Noir
Makoto: Cherry Gingham, Night and Day AMCG, Dark Zodiac
Ami: Sunflower, Tiger Maiden, Beehive Nova
Mami: Vivid Hawaiian, like 90% sure this is Sunshine Yellow but it could easily be Yellow Jungle or Glitter Ingot, Tetra Colored Comet
Miki: Prismatic Swan, Green Forest, Inflation Blanc
Yukiho: Pastel Marine, like 99% sure this is Brilliant Pearl but Blue Camouflage looks extremely similar in some art, Scorpion