C11111333133313232233133313331333133313222321323133112121
  >>
   C1111133313331323223313331333133313331322232132313311212
  <<
   C11111333133313232233133313331333133313222321323133112123
  >>
 
 
 C11111333133313232233133313331333133313222321323133112122
  >>