C31232233133313221211113313331333133313332213121111331311331322331311233312321   >>    C3123223313331322121111331333133313331333221312111133131133132233131123331232   <<    C31232233133313221211113313331333133313332213121111331311331322331311233312323   >>      C31232233133313221211113313331333133313332213121111331311331322331311233312322   >>