C21221212121323223313131323132322331323223313222233131311
  >>
   C2122121212132322331313132313232233132322331322223313131
  <<
   C21221212121323223313131323132322331323223313222233131313
  >>
 
 
 C21221212121323223313131323132322331323223313222233131312
  >>