C2122121212121133132213231313231313231323223313231322331323221323131   >>    C212212121212113313221323131323131323132322331323132233132322132313   <<    C2122121212121133132213231313231313231323223313231322331323221323133   >>      C2122121212121133132213231313231313231323223313231322331323221323132   >>