C11111333133313232233133313331333133313331233132313331323223131   >>    C1111133313331323223313331333133313331333123313231333132322313   <<    C11111333133313232233133313331333133313331233132313331323223133   >>      C11111333133313232233133313331333133313331233132313331323223132   >>