C111123313121111121111331333133313331333133313331333133313331333132222311221   >>    C11112331312111112111133133313331333133313331333133313331333133313222231122   <<    C111123313121111121111331333133313331333133313331333133313331333132222311223   >>      C111123313121111121111331333133313331333133313331333133313331333132222311222   >>