C212212121212113313221323131323131323132322331323132233132313232211233132313111
>>
C21221212121211331322132313132313132313232233132313223313231323221123313231311
<<
C212212121212113313221323131323131323132322331323132233132313232211233132313113
>>
C212212121212113313221323131323131323132322331323132233132313232211233132313112
>>