C21221212121211331322132313132313132313232233132313223313231323132212323131   >>    C2122121212121133132213231313231313231323223313231322331323132313221232313   <<    C21221212121211331322132313132313132313232233132313223313231323132212323133   >>      C21221212121211331322132313132313132313232233132313223313231323132212323132   >>