qmk_firmware/keyboards/6ball/6ball.h

#ifndef SIXBALL_H
#define SIXBALL_H

#include "quantum.h"

#define LAYOUT( \
      k01, k02, k03, \
      k04, k05, k06 \
) \
{ \
    { k02, k03, k06, k05, k04, k01 } \
} 

#endif