C11111333133313232233133313331333133313231333133313113313331211112221131   >>    C1111133313331323223313331333133313331323133313331311331333121111222113   <<    C11111333133313232233133313331333133313231333133313113313331211112221133   >>      C11111333133313232233133313331333133313231333133313113313331211112221132   >>