C111123313121111121111331333133313331333131233133313332212111221   >>    C11112331312111112111133133313331333133313123313331333221211122   <<    C111123313121111121111331333133313331333131233133313332212111223   >>      C111123313121111121111331333133313331333131233133313332212111222   >>