/ 2 \
2*\(-sign(-11 + x) + sign(x)) *DiracDelta(-|-11 + x| + |x|) + (-DiracDelta(-11 + x) + DiracDelta(x))*sign(-|-11 + x| + |x|)/
$$2 \left(\left(\delta\left(x\right) - \delta\left(x - 11\right)\right) \operatorname{sign}{\left(\left|{x}\right| - \left|{x - 11}\right| \right)} + \left(\operatorname{sign}{\left(x \right)} - \operatorname{sign}{\left(x - 11 \right)}\right)^{2} \delta\left(\left|{x}\right| - \left|{x - 11}\right|\right)\right)$$
/ 3 \
2*\(-sign(-11 + x) + sign(x)) *DiracDelta(-|-11 + x| + |x|, 1) + (-DiracDelta(-11 + x, 1) + DiracDelta(x, 1))*sign(-|-11 + x| + |x|) + 6*(-DiracDelta(-11 + x) + DiracDelta(x))*(-sign(-11 + x) + sign(x))*DiracDelta(-|-11 + x| + |x|)/
$$2 \left(6 \left(\delta\left(x\right) - \delta\left(x - 11\right)\right) \left(\operatorname{sign}{\left(x \right)} - \operatorname{sign}{\left(x - 11 \right)}\right) \delta\left(\left|{x}\right| - \left|{x - 11}\right|\right) + \left(\delta^{\left( 1 \right)}\left( x \right) - \delta^{\left( 1 \right)}\left( x - 11 \right)\right) \operatorname{sign}{\left(\left|{x}\right| - \left|{x - 11}\right| \right)} + \left(\operatorname{sign}{\left(x \right)} - \operatorname{sign}{\left(x - 11 \right)}\right)^{3} \delta^{\left( 1 \right)}\left( \left|{x}\right| - \left|{x - 11}\right| \right)\right)$$