C2122121212121133132213231313231313231323223313231322331323331323133233231   >>    C212212121212113313221323131323131323132322331323132233132333132313323323   <<    C2122121212121133132213231313231313231323223313231322331323331323133233233   >>      C2122121212121133132213231313231313231323223313231322331323331323133233232   >>