C111123313121111121111331333133313331333133313331122112111113331323121   >>    C11112331312111112111133133313331333133313331333112211211111333132312   <<    C111123313121111121111331333133313331333133313331122112111113331323123   >>      C111123313121111121111331333133313331333133313331122112111113331323122   >>