C2122121212121133132213231313231313231323223313231322331323123231131   >>    C212212121212113313221323131323131323132322331323132233132312323113   <<    C2122121212121133132213231313231313231323223313231322331323123231133   >>      C2122121212121133132213231313231313231323223313231322331323123231132   >>