C11111333133313232233133313331333132313231121133131122112323112111   >>    C1111133313331323223313331333133313231323112113313112211232311211   <<    C11111333133313232233133313331333132313231121133131122112323112113   >>      C11111333133313232233133313331333132313231121133131122112323112112   >>