C111123313121111121111331333133313331323231333133313113313221321121311   >>    C11112331312111112111133133313331333132323133313331311331322132112131   <<    C111123313121111121111331333133313331323231333133313113313221321121313   >>      C111123313121111121111331333133313331323231333133313113313221321121312   >>