×××3×6×1×××××
×××4×2×2×4×7×8××
×1×1×1×1×1×2×2×1×7×2
××2
×2×1
××7
××6
×1×3
×1×2
×1×2
×1×3
×1×3
×1×2
×1×2
×1×1
×3×2
×2×5