C3123223313331322121111331333133313331333121211113313311213121121   >>    C312322331333132212111133133313331333133312121111331331121312112   <<    C3123223313331322121111331333133313331333121211113313311213121123   >>      C3123223313331322121111331333133313331333121211113313311213121122   >>