C11111333133313232233133313331333132313231121133131122112312111   >>    C1111133313331323223313331333133313231323112113313112211231211   <<    C11111333133313232233133313331333132313231121133131122112312113   >>      C11111333133313232233133313331333132313231121133131122112312112   >>