C111123313121111121111331333133313331323221211113313113313331323132322221   >>    C11112331312111112111133133313331333132322121111331311331333132313232222   <<    C111123313121111121111331333133313331323221211113313113313331323132322223   >>      C111123313121111121111331333133313331323221211113313113313331323132322222   >>