C111113331333132322331333133313331333133313133313331333133313231333131233121   >>    C11111333133313232233133313331333133313331313331333133313331323133313123312   <<    C111113331333132322331333133313331333133313133313331333133313231333131233123   >>      C111113331333132322331333133313331333133313133313331333133313231333131233122   >>