C1111233133313231133133313331333132313231333131333131312121
  >>
   C111123313331323113313331333133313231323133313133313131212
  <<
   C1111233133313231133133313331333132313231333131333131312123
  >>
 
 
 C1111233133313231133133313331333132313231333131333131312122
  >>