C111123313331323113313331333133313331323131211113313113313331123323221   >>    C11112331333132311331333133313331333132313121111331311331333112332322   <<    C111123313331323113313331333133313331323131211113313113313331123323223   >>      C111123313331323113313331333133313331323131211113313113313331123323222   >>