C111123313121111121111331333133313331333131233133313232222222321   >>    C11112331312111112111133133313331333133313123313331323222222232   <<    C111123313121111121111331333133313331333131233133313232222222323   >>      C111123313121111121111331333133313331333131233133313232222222322   >>