C212212121213232233131313231313331323131323323132322331323123111
  >>
   C21221212121323223313131323131333132313132332313232233132312311
  <<
   C212212121213232233131313231313331323131323323132322331323123113
  >>
 
 
 C212212121213232233131313231313331323131323323132322331323123112
  >>