C3123223313331322121111331333133313231333133313331333133313223313133311   >>    C312322331333132212111133133313331323133313331333133313331322331313331   <<    C3123223313331322121111331333133313231333133313331333133313223313133313   >>      C3123223313331322121111331333133313231333133313331333133313223313133312   >>