/* Defining polynomial */
x^2 - x + 9
/* Minimal vectors */
[
    <-w + 1, w - 4>,
    <1, -1>,
    <3, -w - 2>,
    <0, 1>,
    <w + 1, -w + 2>,
    <-w + 2, -3>,
    <-3*w + 3, w - 9>,
    <3, -w - 1>,
    <2*w + 6, -3*w + 3>,
    <-w + 9, -2*w - 6>,
    <1, 0>
]
/* Voronoi top cells */
[
    { 1, 2, 3, 4 },
    { 5, 6, 7, 8, 9, 10 },
    { 2, 3, 4, 5, 8 },
    { 2, 4, 5, 6, 8, 11 }
]
/* Faces of top cells */
[
    [
        { 2, 3, 4 },
        { 1, 3, 4 },
        { 1, 2, 4 },
        { 1, 2, 3 }
    ],
    [
        { 6, 7, 8 },
        { 5, 6, 8 },
        { 5, 6, 9 },
        { 6, 7, 9 },
        { 7, 8, 10 },
        { 5, 8, 10 },
        { 5, 9, 10 },
        { 7, 9, 10 }
    ],
    [
        { 3, 5, 8 },
        { 2, 4, 5, 8 },
        { 2, 3, 5 },
        { 3, 4, 8 },
        { 2, 3, 4 }
    ],
    [
        { 2, 4, 5, 8 },
        { 2, 5, 6, 11 },
        { 5, 6, 8 },
        { 4, 6, 8, 11 },
        { 2, 4, 11 }
    ]
]
/* Order of PGL_2(O) stabilizers of Voronoi top cells */
[ 2, 3, 1, 3 ]
/* GAP id of GL_2(O) stabilizers of Voronoi top cells */
[ <4, 1>, <6, 2>, <2, 1>, <6, 2> ]