C1111133313331323223313331333133313311211111211331313231121132311   >>    C111113331333132322331333133313331331121111121133131323112113231   <<    C1111133313331323223313331333133313311211111211331313231121132313   >>      C1111133313331323223313331333133313311211111211331313231121132312   >>