C11111333133313232233133313331333132313231121133133112313231323132313231111   >>    C1111133313331323223313331333133313231323112113313311231323132313231323111   <<    C11111333133313232233133313331333132313231121133133112313231323132313231113   >>      C11111333133313232233133313331333132313231121133133112313231323132313231112   >>