C111123313121111121111331333133313331321123121111121111132213112113313222331   >>    C11112331312111112111133133313331333132112312111112111113221311211331322233   <<    C111123313121111121111331333133313331321123121111121111132213112113313222333   >>      C111123313121111121111331333133313331321123121111121111132213112113313222332   >>