C21221212121211331313233313131133132333132313223313231312322131
>>
C2122121212121133131323331313113313233313231322331323131232213
<<
C21221212121211331313233313131133132333132313223313231312322133
>>
C21221212121211331313233313131133132333132313223313231312322132
>>