C111123313121111121111331333133313331333133313331333131133132322132221   >>    C11112331312111112111133133313331333133313331333133313113313232213222   <<    C111123313121111121111331333133313331333133313331333131133132322132223   >>      C111123313121111121111331333133313331333133313331333131133132322132222   >>