qmk_firmware/keyboards/planck/keymaps/altgr/common/steno_layout.h

// const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

// ...................................................................... Plover
#ifdef STENO_ENABLE
  // ,-----------------------------------------------------------------------------------.
  // |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |
  // |------+------+------+------+------+-------------+------+------+------+------+------|
  // | Base |   S  |   T  |   P  |   H  |   *  |   *  |   F  |   P  |   L  |   T  |   D  |
  // |------+------+------+------+------+------|------+------+------+------+------+------|
  // | Base |   S  |   K  |   W  |   R  |   *  |   *  |   R  |   B  |   G  |   S  |   Z  |
  // |------+------+------+------+------+------+------+------+------+------+------+------|
  // |                           |   A  |   O  |   E  |   U  |                           |
  // `-----------------------------------------------------------------------------------'

  [_PLOVER] = LAYOUT_planck_grid(
    STN_N1,  STN_N2,  STN_N3,  STN_N4,  STN_N5,  STN_N6,  STN_N7,  STN_N8,  STN_N9,  STN_NA,  STN_NB,  STN_NC ,
    BASE1,   STN_S1,  STN_TL,  STN_PL,  STN_HL,  STN_ST1, STN_ST3, STN_FR,  STN_PR,  STN_LR,  STN_TR,  STN_DR ,
    BASE2,   STN_S2,  STN_KL,  STN_WL,  STN_RL,  STN_ST2, STN_ST4, STN_RR,  STN_BR,  STN_GR,  STN_SR,  STN_ZR ,
    _______, _______, _______, PS_STNA, PS_STNO, _______, _______, PS_STNE, PS_STNU, _______, _______, _______
  ),
#else
  // ,-----------------------------------------------------------------------------------.
  // |   1  |   1  |   1  |   1  |   1  |   1  |   1  |   1  |   1  |   1  |   1  |   1  |
  // |------+------+------+------+------+-------------+------+------+------+------+------|
  // | Base |   S  |   T  |   P  |   H  |   *  |   *  |   F  |   P  |   L  |   T  |   D  |
  // |------+------+------+------+------+------|------+------+------+------+------+------|
  // | Base |   S  |   K  |   W  |   R  |   *  |   *  |   R  |   B  |   G  |   S  |   Z  |
  // |------+------+------+------+------+------+------+------+------+------+------+------|
  // |                           |   A  |   O  |   E  |   U  |                           |
  // `-----------------------------------------------------------------------------------'

  [_PLOVER] = LAYOUT_planck_grid(
    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1   ,
    BASE1,   KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC,
    BASE2,   KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
    _______, _______, _______, LT_C,    LT_V,    _______, _______, LT_N,    LT_M,    _______, _______, _______
  ),
#endif