C11111333133313232233133313331333133313231333133313331123313332333121   >>    C1111133313331323223313331333133313331323133313331333112331333233312   <<    C11111333133313232233133313331333133313231333133313331123313332333123   >>      C11111333133313232233133313331333133313231333133313331123313332333122   >>