C11111333133313232233133313331333132313231323121111331333111121131   >>    C1111133313331323223313331333133313231323132312111133133311112113   <<    C11111333133313232233133313331333132313231323121111331333111121133   >>      C11111333133313232233133313331333132313231323121111331333111121132   >>