C11112331312111112111133132313331323331323223313231333132313232223321   >>    C1111233131211111211113313231333132333132322331323133313231323222332   <<    C11112331312111112111133132313331323331323223313231333132313232223323   >>      C11112331312111112111133132313331323331323223313231333132313232223322   >>