Jonner had written on the stone: REST IN PEACE. R. STEIN MURDERED BY A. KRAAG. DEC. 12, 2057.
Angrily, Kraag burned the lettering off in a 30-second blast with his heat-gun that left the face of Stein's gravestone cherry red.
He turned to survey the terrain, and saw Jonner. The captain was crouched half a mile away, apparently writing more on a flat rock or on the ground itself.
Jonner was facing him, but his head was down and he hadn't seen Kraag. If Kraag fired the projectile pistol, he probably would miss and might warn Jonner with the shot. He was sure of his accuracy with a heat-gun. Kraag took a heat-gun in his left hand and ran toward Jonner.
Possibly the vibration of the ground warned Jonner. He looked up, jumped to his feet and fled. As soon as he could stop and get his feet planted firmly on the ground, Kraag fired the projectile pistol after him. He was still shooting low and to one side.
Kraag picked himself up from the ground, where the backlash of the weapon had knocked him, and went up to the spot where Jonner had been writing. A mathematical problem had been scratched on the surface with a sharp rock. Kraag had interrupted Jonner in the middle of it.
The figures that had been written were: