C31232233133313221211113313331333133313331212111133121111133131121   >>    C3123223313331322121111331333133313331333121211113312111113313112   <<    C31232233133313221211113313331333133313331212111133121111133131123   >>      C31232233133313221211113313331333133313331212111133121111133131122   >>