C3123223313331322121111331333133313331333121211113312111133211232322222131   >>    C312322331333132212111133133313331333133312121111331211113321123232222213   <<    C3123223313331322121111331333133313331333121211113312111133211232322222133   >>      C3123223313331322121111331333133313331333121211113312111133211232322222132   >>