C31232233133313221211113313331333133313331212111133121111133311121   >>    C3123223313331322121111331333133313331333121211113312111113331112   <<    C31232233133313221211113313331333133313331212111133121111133311123   >>      C31232233133313221211113313331333133313331212111133121111133311122   >>