C111123313331323113313331333133313331323133112113313113313231312322131
>>
C11112331333132311331333133313331333132313311211331311331323131232213
<<
C111123313331323113313331333133313331323133112113313113313231312322133
>>
C111123313331323113313331333133313331323133112113313113313231312322132
>>