C1111133313331323223313331333133313331323132232111133132313232112111121   >>    C111113331333132322331333133313331333132313223211113313231323211211112   <<    C1111133313331323223313331333133313331323132232111133132313232112111123   >>      C1111133313331323223313331333133313331323132232111133132313232112111122   >>