 Nr. $0$ with $0$ positive roots:\ $0$, $0$, $0$, $00$, $00$, $000$\ Nr. $0$ with $0$ positive roots:\ $0$, $0$, $0$, $00$, $00$, $00$, $000$\ Nr. $0$ with $0$ positive roots:\ $0$, $0$, $0$, $00$, $00$, $0^{0}0$, $000$, $0^{0}00$\ Nr. $0$ with $0$ positive roots:\ $0$, $0$, $0$, $00$, $00$, $0^{0}0$, $000$, $0^{0}00$, $0^{0}0