Updated code, now the entire html file fits in 250 bytes...
<canvas id="c"><script>
x=c.getContext('2d')
T=-1
setInterval(U=_=>{
c.width=99
onclick=_=>V=1
X=99-T%128
i=T++>>7
y=18+i**2%25
T&&X*X>144|(Y-y)**2<49?Y-=V-=.03:T=Y=V=0
for(j=2;j--;x.fillRect(X+3,7+y-120*j,19,99))
x.fillText(i,9,Y,9)
},16)
</script></canvas>