C111123313331323113313331333133313331323131211113313331323223111221   >>    C11112331333132311331333133313331333132313121111331333132322311122   <<    C111123313331323113313331333133313331323131211113313331323223111223   >>      C111123313331323113313331333133313331323131211113313331323223111222   >>