C3123223313331322121111331333133313331333121211111121333132213121   >>    C312322331333132212111133133313331333133312121111112133313221312   <<    C3123223313331322121111331333133313331333121211111121333132213123   >>      C3123223313331322121111331333133313331333121211111121333132213122   >>