C323332313113313221323132313113313232233132313232213231323221211   >>    C32333231311331322132313231311331323223313231323221323132322121   <<    C323332313113313221323132313113313232233132313232213231323221213   >>      C323332313113313221323132313113313232233132313232213231323221212   >>