Continuous-Time System:
a1 = 11, a0 = 18, b1 = 2, b0 = -6, 

Your excitation signal x(t) consists of straight lines connecting these points.
It has been zero up until the first time and is zero after the last time.

t = 1.36329, x(t) = 0
t = 1.36329, x(t) = -1
t = 2.99957, x(t) = -1
t = 2.99957, x(t) = 1
t = 5.619, x(t) = 1
t = 5.619, x(t) = -11
t = 8.45929, x(t) = -11
t = 8.45929, x(t) = 1
t = 9.3411, x(t) = 1
t = 9.3411, x(t) = -15
t = 10.7224, x(t) = -15
t = 10.7224, x(t) = 0
t = 16.4426, x(t) = 0

Discrete-Time System:
a0 = -16, a1 = -15, b0 = -36, b1 = 3, 
0 <= n < 7,  x[n] = 0
7 <= n < 10,  x[n] = -5
10 <= n < 12,  x[n] = 3
12 <= n < 15,  x[n] = -4
15 <= n < 17,  x[n] = -6
17 <= n < 19,  x[n] = 7
19 <= n < 20,  x[n] = -5
20 <= n < 32,  x[n] = 0

x[n] has been zero up until the first time and is zero after the last time.