C2122121212121133132213231313231313231323223313231322331311331313311   >>    C212212121212113313221323131323131323132322331323132233131133131331   <<    C2122121212121133132213231313231313231323223313231322331311331313313   >>      C2122121212121133132213231313231313231323223313231322331311331313312   >>