C31232233133313221211113313331333133313331212111133121111133313331112211331   >>    C3123223313331322121111331333133313331333121211113312111113331333111221133   <<    C31232233133313221211113313331333133313331212111133121111133313331112211333   >>      C31232233133313221211113313331333133313331212111133121111133313331112211332   >>