self.y_cut(map_lines, center[0], size[0])
map_width = self.size[1] * 2 + 1
self.x_cut(map_lines, center[1] * 2, size[1], map_width)
self.y_cut(map_lines, center[0], size[0])
map_width = self.size[1] * 2 + 1
self.x_cut(map_lines, center[1] * 2, size[1], map_width)