C3123223313331322121111331333132313331323331323331323133313232132311   >>    C312322331333132212111133133313231333132333132333132313331323213231   <<    C3123223313331322121111331333132313331323331323331323133313232132313   >>      C3123223313331322121111331333132313331323331323331323133313232132312   >>