Below you find a presentation by boundary curves of a certain special spine of the hyperbolic manifold obtained by Dehn filling of the figure-eight knot complement with parameters (1,-4). This spine has 11 vertices, hence 12 cells and 22 edges.
1: 1 1 2 4 -5 -3 2: -1 2 6 -7 -3 3: 2 8 14 -13 19 -20 -9 -3 4: 4 16 -17 -10 -8 5: 6 13 -15 -12 -8 6: 6 19 -21 -11 -4 7: 5 11 -12 10 -9 8: 7 19 -22 -17 -9 9: 5 16 18 -13 -7 10: 11 15 -14 10 20 -22 -16 11: 12 21 -22 18 -14 12: 20 -21 15 -18 -17