C11112331333132311331333133313331333132313121111331323131113232321   >>    C1111233133313231133133313331333133313231312111133132313111323232   <<    C11112331333132311331333133313331333132313121111331323131113232323   >>      C11112331333132311331333133313331333132313121111331323131113232322   >>