C3123223313331322121111331333133313331333121211113312111111313111   >>    C312322331333132212111133133313331333133312121111331211111131311   <<    C3123223313331322121111331333133313331333121211113312111111313113   >>      C3123223313331322121111331333133313331333121211113312111111313112   >>