C21221212121211331322132313132313231313232233132313223313233112323131   >>    C2122121212121133132213231313231323131323223313231322331323311232313   <<    C21221212121211331322132313132313231313232233132313223313233112323133   >>      C21221212121211331322132313132313231313232233132313223313233112323132   >>