C11111333133313232233133313331333132313231121133131211111121211233131   >>    C1111133313331323223313331333133313231323112113313121111112121123313   <<    C11111333133313232233133313331333132313231121133131211111121211233133   >>      C11111333133313232233133313331333132313231121133131211111121211233132   >>