C31232233133313221211113313331333133313113311331333133313113313232321322311   >>    C3123223313331322121111331333133313331311331133133313331311331323232132231   <<    C31232233133313221211113313331333133313113311331333133313113313232321322313   >>      C31232233133313221211113313331333133313113311331333133313113313232321322312   >>