C111123313121111121111331333132313331323133313332213331313223331   >>    C11112331312111112111133133313231333132313331333221333131322333   <<    C111123313121111121111331333132313331323133313332213331313223333   >>      C111123313121111121111331333132313331323133313332213331313223332   >>