/* Defining polynomial */
x^2 + 21
/* Minimal vectors */
[
    <3*w + 11, -14>,
    <-3*w + 11, 3*w + 3>,
    <w + 18, 2*w - 12>,
    <-w + 18, 3*w - 6>,
    <22, 3*w - 11>,
    <-2*w, w + 6>,
    <1, -1>,
    <-w + 3, w>,
    <-w + 3, w + 1>,
    <-w + 4, w>,
    <w + 6, -6>,
    <w + 3, -5>,
    <w + 4, -5>,
    <2*w + 7, -10>,
    <7, w - 4>,
    <-w + 10, 2*w - 2>,
    <-w + 4, w + 1>,
    <w + 10, w - 8>,
    <8, w - 4>,
    <2*w + 15, w - 13>,
    <-2*w + 15, 3*w - 2>,
    <-4*w, 2*w + 11>,
    <1, 0>,
    <w + 2, -4>,
    <w + 2, -3>,
    <w + 3, -4>,
    <-w + 5, w + 1>,
    <7, w - 2>,
    <w + 4, -4>,
    <w + 5, -5>,
    <-w + 5, w>,
    <w + 2, -5>,
    <-w + 2, w + 3>,
    <0, 1>
]
/* Voronoi top cells */
[
    { 1, 2, 3, 4, 5, 6 },
    { 7, 8, 9, 10, 11 },
    { 12, 13, 14, 15, 16 },
    { 6, 12, 17, 18 },
    { 1, 2, 6, 13, 17 },
    { 13, 17, 19, 20, 21, 22 },
    { 7, 9, 10, 13 },
    { 9, 12, 13, 15 },
    { 23, 24, 25, 26, 27, 28 },
    { 6, 12, 13, 17 },
    { 12, 17, 23, 26 },
    { 7, 10, 13, 17, 19, 23, 29, 30, 31 },
    { 7, 9, 12, 13 },
    { 12, 23, 24, 26 },
    { 7, 12, 13, 17, 23 },
    { 12, 23, 24, 32 },
    { 7, 12, 23, 32, 33, 34 }
]
/* Faces of top cells */
[
    [
        { 2, 3, 5 },
        { 1, 2, 5 },
        { 3, 4, 5 },
        { 1, 4, 5 },
        { 1, 2, 6 },
        { 2, 3, 6 },
        { 1, 4, 6 },
        { 3, 4, 6 }
    ],
    [
        { 7, 9, 10 },
        { 7, 8, 10, 11 },
        { 7, 8, 9 },
        { 8, 9, 11 },
        { 9, 10, 11 }
    ],
    [
        { 13, 14, 15, 16 },
        { 12, 14, 15 },
        { 12, 13, 15 },
        { 12, 14, 16 },
        { 12, 13, 16 }
    ],
    [
        { 6, 17, 18 },
        { 6, 12, 18 },
        { 6, 12, 17 },
        { 12, 17, 18 }
    ],
    [
        { 1, 6, 17 },
        { 6, 13, 17 },
        { 1, 2, 13, 17 },
        { 2, 6, 13 },
        { 1, 2, 6 }
    ],
    [
        { 17, 19, 20, 22 },
        { 13, 17, 20, 21 },
        { 13, 17, 19 },
        { 13, 19, 21, 22 },
        { 20, 21, 22 }
    ],
    [
        { 9, 10, 13 },
        { 7, 10, 13 },
        { 7, 9, 10 },
        { 7, 9, 13 }
    ],
    [
        { 9, 13, 15 },
        { 12, 13, 15 },
        { 9, 12, 15 },
        { 9, 12, 13 }
    ],
    [
        { 23, 25, 26, 27 },
        { 23, 24, 26 },
        { 23, 24, 25, 28 },
        { 24, 26, 27, 28 },
        { 25, 27, 28 }
    ],
    [
        { 6, 13, 17 },
        { 6, 12, 17 },
        { 6, 12, 13 },
        { 12, 13, 17 }
    ],
    [
        { 12, 17, 26 },
        { 17, 23, 26 },
        { 12, 17, 23 },
        { 12, 23, 26 }
    ],
    [
        { 7, 10, 23, 29, 30, 31 },
        { 7, 13, 17, 23 },
        { 7, 10, 13 },
        { 17, 23, 29 },
        { 10, 13, 19, 30 },
        { 17, 19, 29, 31 },
        { 19, 30, 31 },
        { 13, 17, 19 }
    ],
    [
        { 9, 12, 13 },
        { 7, 9, 13 },
        { 7, 12, 13 },
        { 7, 9, 12 }
    ],
    [
        { 12, 24, 26 },
        { 12, 23, 26 },
        { 23, 24, 26 },
        { 12, 23, 24 }
    ],
    [
        { 7, 12, 13 },
        { 7, 13, 17, 23 },
        { 7, 12, 23 },
        { 12, 17, 23 },
        { 12, 13, 17 }
    ],
    [
        { 12, 24, 32 },
        { 12, 23, 24 },
        { 12, 23, 32 },
        { 23, 24, 32 }
    ],
    [
        { 12, 23, 32 },
        { 7, 12, 23 },
        { 12, 32, 33 },
        { 7, 12, 33 },
        { 32, 33, 34 },
        { 7, 33, 34 },
        { 23, 32, 34 },
        { 7, 23, 34 }
    ]
]
/* Order of PGL_2(O) stabilizers of Voronoi top cells */
[ 3, 1, 2, 1, 1, 6, 1, 1, 2, 1, 1, 3, 1, 1, 1, 2, 3 ]
/* GAP id of GL_2(O) stabilizers of Voronoi top cells */
[ <6, 2>, <2, 1>, <4, 2>, <2, 1>, <2, 1>, <12, 1>, <2, 1>, <2, 1>, <4, 1>, <2, 
1>, <2, 1>, <6, 2>, <2, 1>, <2, 1>, <2, 1>, <4, 1>, <6, 2> ]