C111123313121111121111331333133313331333133313331333133313331333211331322221   >>    C11112331312111112111133133313331333133313331333133313331333133321133132222   <<    C111123313121111121111331333133313331333133313331333133313331333211331322223   >>      C111123313121111121111331333133313331333133313331333133313331333211331322222   >>