Shisen-Sho with cute Maid

Let's enjoy this Shisen-Sho backed by a cute maid. You can enjoy "Shisen-Sho with cute Maid" by All 9 kinds of Maid background. You can get each maid background if you meet following conditions. BG No.1(Selectable anytime) BG No.2(Selectable anytime) BG No.3(Clear 1 time) BG No.4(Clear 5 times) BG No.5(Clear 10 times) BG No.6(Clear 20 times) BG No.7(Clear within 5 min) BG No.8(Clear within 4 min) BG No.9(Clear within 3 min) (How to do Shisen-Sho) Let's turn off the same tile, but there is a limit to the tile to be able to turn off. A tile to be able to turn off is only the thing which can tie up by the straight line within 3 length and breadth.