A=1 B=1 C=1 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=2 C=1 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=3 C=1 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=3 failure
        C=4 failure
    B=4 C=1 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 E=1 success
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=3 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 E=1 success
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=4 failure
A=2 B=1 C=1 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=2 C=1 D=1 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=3 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=4 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=2 failure
        C=3 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=4 failure
A=3 B=1 C=1 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=2 C=1 D=1 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=3 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=3 failure
        C=4 failure
    B=4 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 E=1 success
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=3 failure
        C=4 failure
A=4 B=1 C=1 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=2 C=1 D=1 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=2 failure
        C=3 failure
        C=4 failure
    B=3 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 failure
            D=4 failure
        C=3 failure
        C=4 failure
    B=4 C=1 D=1 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=2 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 failure
            D=3 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=4 failure
        C=3 D=1 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=2 E=1 failure
                E=2 failure
                E=3 failure
                E=4 failure
            D=3 failure
            D=4 failure
        C=4 failure
