const byte TowerSpr[] PROGMEM = {   16,32,
                                    0xF,0xF0,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0xF,0xF0,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x1B,0xD8,
                                    0x2A,0x54,
                                    0x4A,0x52,
                                    0xFB,0xDF,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x9,0x90,
                                    0x9,0x90,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x9,0x90,
                                    0x9,0x90,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0x8,0x10,
                                    0xB,0xD0,
                                    0xA,0x50,
                                    0xA,0x50,
                                    0xF,0xF0,   };