C111123313331323113313331333133313331323133113313331333132213231232321   >>    C11112331333132311331333133313331333132313311331333133313221323123232   <<    C111123313331323113313331333133313331323133113313331333132213231232323   >>      C111123313331323113313331333133313331323133113313331333132213231232322   >>