C21221212121211331322132313132313132313232233132313223313231323131231212131   >>    C2122121212121133132213231313231313231323223313231322331323132313123121213   <<    C21221212121211331322132313132313132313232233132313223313231323131231212133   >>      C21221212121211331322132313132313132313232233132313223313231323131231212132   >>