C1111133313331323223313331333133313331323131211113313112121111331322333311   >>    C111113331333132322331333133313331333132313121111331311212111133132233331   <<    C1111133313331323223313331333133313331323131211113313112121111331322333313   >>      C1111133313331323223313331333133313331323131211113313112121111331322333312   >>