NO

peak

1(2(3(4(5(1(1(0(1(2(3(4(5(0(1(2(3(4(5(0(1(2(3(4(5(y0)))))))))))))))))))))))))
*<-
0(1(2(3(4(5(1(y0)))))))
->*
1(2(3(4(5(1(1(0(1(2(3(4(5(0(1(2(3(4(5(y0)))))))))))))))))))

is not joinable