C1111133313331323223313331333133313112113313113313331333233122311   >>    C111113331333132322331333133313331311211331311331333133323312231   <<    C1111133313331323223313331333133313112113313113313331333233122313   >>      C1111133313331323223313331333133313112113313113313331333233122312   >>