C1111133313331323223313331333133313113313222112111133131121323311   >>    C111113331333132322331333133313331311331322211211113313112132331   <<    C1111133313331323223313331333133313113313222112111133131121323313   >>      C1111133313331323223313331333133313113313222112111133131121323312   >>