C111113331333132322331333133313331333132213331333132322132223133313121   >>    C11111333133313232233133313331333133313221333133313232213222313331312   <<    C111113331333132322331333133313331333132213331333132322132223133313123   >>      C111113331333132322331333133313331333132213331333132322132223133313122   >>