C212212121212113313221323131323132313132322331323132233131323331323223311331
>>
C21221212121211331322132313132313231313232233132313223313132333132322331133
<<
C212212121212113313221323131323132313132322331323132233131323331323223311333
>>
C212212121212113313221323131323132313132322331323132233131323331323223311332
>>