C2122121212121133132213231313231313231323223313231322331323132312323223321   >>    C212212121212113313221323131323131323132322331323132233132313231232322332   <<    C2122121212121133132213231313231313231323223313231322331323132312323223323   >>      C2122121212121133132213231313231313231323223313231322331323132312323223322   >>