#define COMBO(KP, KEYPOS, NAME) \
    combo_##NAME { \
        timeout-ms = <40>; \
        key-positions = <KEYPOS>; \
        layers = <0>; \
        bindings = <&kp KP>; \
    };

combos {
    compatible = "zmk,combos";

    // key numbers
    //       0   1   2   3   4   5                      6   7   8   9  10  11
    //      12 [13][14][15][16] 17                     18 [19][20][21][22] 23
    //      24  25  26  27  28  29  30             31  32  33  34  35  36  37
    //      38  39  40      41  42  43  44     45  46  47  48      49  50  51

    //<editor-fold desc="Kombol Layout 1.1">
    // see https://github.com/skychil/kombol

    // row 0                          []                                                          ()
    COMBO(DE______,  1  2, _1_2  ) /* free                   */ COMBO(DE______,  6  7, _6_7  ) // free
    COMBO(DE_LBRC ,  2  3, LBRC  ) /* [                      */ COMBO(DE_LPAR ,  7  8, LPAR  ) // (
    COMBO(DE_RBKT ,  3  4, RBKT  ) /* ]                      */ COMBO(DE_RPAR ,  8  9, RPAR  ) // )
    COMBO(DE______,  4  5, _4_5  ) /* free                   */ COMBO(DE______,  9 10, _9_10 ) // free
    COMBO(DE_TODO_,  2  4, _2_4  ) /* [] <-                  */ COMBO(DE_TODO_,  7  9, _7_9  ) // () <-

    // row 1                          -=+                                                         |"'
    COMBO(DE______, 13 14, _13_14) /* free                   */ COMBO(DE_PIPE , 18 19, PIPE  ) // |
    COMBO(DE_MINUS, 14 15, MINUS ) /* -                      */ COMBO(DE_DQT  , 19 20, DQT   ) // "
    COMBO(DE_EQUAL, 15 16, EQUAL ) /* =                      */ COMBO(DE_SQT  , 20 21, SQT   ) // '
    COMBO(DE_PLUS , 16 17, PLUS  ) /* +                      */ COMBO(DE______, 21 22, _21_22) // free
    COMBO(S(INS)  , 14 16, S_INS ) /* Shift+Ins              */ COMBO(DE______, 19 21, _19_21) // free

    // row 2                          {}                                                          <>
    COMBO(DE_LBRC , 26 27, LBRC  ) /* {                      */ COMBO(DE______, 32 33, _32_33) // free
    COMBO(DE_RBRC , 27 28, RBRC  ) /* }                      */ COMBO(DE_LT   , 33 34, LT    ) // <
    COMBO(DE______, 28 29, _28_29) /* free                   */ COMBO(DE_GT   , 34 35, GT    ) // >
    COMBO(DE_TODO_, 26 28, _26_28) /* {} <-                  */ COMBO(DE_TODO_, 33 35, _33_35) // <> <-

    // row 0/1                        @#$%                                                        ^&*\
    COMBO(DE______,  1 13, _1_13 ) /* free                   */ COMBO(DE_CARET,  6 18, CARET ) // ^ todo*
    COMBO(DE_AT   ,  2 14, AT    ) /* @                      */ COMBO(DE_AMPS ,  7 19, AMPS  ) // &
    COMBO(DE_HASH ,  3 15, HASH  ) /* #                      */ COMBO(DE_STAR ,  8 20, STAR  ) // *
    COMBO(DE_DLLR ,  4 16, DLLR  ) /* $                      */ COMBO(DE_BSLH ,  9 21, BSLH  ) // \
    COMBO(DE_PRCNT,  5 17, PRCNT ) /* %                      */ COMBO(DE______, 10 22, _10_22) // free todo*

    // row 1+2                        ``~                                                         "'
    COMBO(DE_TODO_, 14 26, _14_26) /* `` <-                  */ COMBO(DE______, 18 32, _18_32) // free
    COMBO(DE_GRAVE, 15 27, GRAVE ) /* `                      */ COMBO(DE_TODO_, 19 33, _19_33) // "" <-
    COMBO(DE_TILDE, 16 28, TILDE ) /* ~                      */ COMBO(DE_TODO_, 20 34, _20_34) // '' <-
    COMBO(DE______, 17 29, _17_29) /* free                   */ COMBO(DE______, 21 35, _21_35) // free

    // row 0+1 diagonal               !                                                           ?
    COMBO(DE______, 14  3, _14_3 ) /* free                   */ COMBO(DE______, 18  7, _18_7 ) // free
    COMBO(DE_EXCL ,  3 16, EXCL  ) /* !                      */ COMBO(DE_QMARK, 19  8, QMARK ) // ? todo*
    COMBO(DE______,  4 17, _4_17 ) /* free                   */ COMBO(DE______,  8 21, _8_21 ) // free todo*

    // row 1+2 diagonal               _                                                           :
    COMBO(DE______, 26 15, _26_15) /* free                   */ COMBO(DE______, 32 19, _32_19) // free todo*
    COMBO(DE_UNDER, 15 28, UNDER ) /* _                      */ COMBO(DE_COLON, 33 20, COLON ) // :
    COMBO(DE______, 16 28, _16_28) /* free                   */ COMBO(DE______, 20 35, _20_35) // free todo*
    //</editor-fold>
};