C11111333133313232233133313331333133313231313231323132211211
  >>
   C1111133313331323223313331333133313331323131323132313221121
  <<
   C11111333133313232233133313331333133313231313231323132211213
  >>
 
 
 C11111333133313232233133313331333133313231313231323132211212
  >>