C111123313331323113313331333133313331323131211113313113313331213221   >>    C11112331333132311331333133313331333132313121111331311331333121322   <<    C111123313331323113313331333133313331323131211113313113313331213223   >>      C111123313331323113313331333133313331323131211113313113313331213222   >>