C3123223313331322121111331333133313331333121211113312111133211232211   >>    C312322331333132212111133133313331333133312121111331211113321123221   <<    C3123223313331322121111331333133313331333121211113312111133211232213   >>      C3123223313331322121111331333133313331333121211113312111133211232212   >>