C11111211113313112113313331333132313331322121111133313331323133313222211
>>
C1111121111331311211331333133313231333132212111113331333132313331322221
<<
C11111211113313112113313331333132313331322121111133313331323133313222213
>>
C11111211113313112113313331333132313331322121111133313331323133313222212
>>