C3123223313331322121111331333133313331333121211111211113311232323321   >>    C312322331333132212111133133313331333133312121111121111331123232332   <<    C3123223313331322121111331333133313331333121211111211113311232323323   >>      C3123223313331322121111331333133313331333121211111211113311232323322   >>