C21221212121323223313131323132322331323223313222233131122112322131
>>
C2122121212132322331313132313232233132322331322223313112211232213
<<
C21221212121323223313131323132322331323223313222233131122112322133
>>
C21221212121323223313131323132322331323223313222233131122112322132
>>