C111123313121111121111331333133313331323221211113313233121133132313331111   >>    C11112331312111112111133133313331333132322121111331323312113313231333111   <<    C111123313121111121111331333133313331323221211113313233121133132313331113   >>      C111123313121111121111331333133313331323221211113313233121133132313331112   >>