Bc sin

Bc sinBc sinBc sinBc sinBc sinBc sin
Bc sinBc sinBc sinBc sinBc sinBc sin
Bc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sinBc sin