C13223313311212111133133313331333132313331323312111113331323233232321321   >>    C1322331331121211113313331333133313231333132331211111333132323323232132   <<    C13223313311212111133133313331333132313331323312111113331323233232321323   >>      C13223313311212111133133313331333132313331323312111113331323233232321322   >>