C11111333133313232233133313331333132313331323133313331311111131   >>    C1111133313331323223313331333133313231333132313331333131111113   <<    C11111333133313232233133313331333132313331323133313331311111133   >>      C11111333133313232233133313331333132313331323133313331311111132   >>