C111123313331323113313331333133313331323133113313331333133313332332123121   >>    C11112331333132311331333133313331333132313311331333133313331333233212312   <<    C111123313331323113313331333133313331323133113313331333133313332332123123   >>      C111123313331323113313331333133313331323133113313331333133313332332123122   >>