C1111133313331323223313331333133313311211111211331333131133133313232332211
>>
C111113331333132322331333133313331331121111121133133313113313331323233221
<<
C1111133313331323223313331333133313311211111211331333131133133313232332213
>>
C1111133313331323223313331333133313311211111211331333131133133313232332212
>>