C31232233133313221211113313331333133313331212111133131133132233133313231323211   >>    C3123223313331322121111331333133313331333121211113313113313223313331323132321   <<    C31232233133313221211113313331333133313331212111133131133132233133313231323213   >>      C31232233133313221211113313331333133313331212111133131133132233133313231323212   >>