C13223313311212111133133313331323133313233313121111331333222321311   >>    C1322331331121211113313331333132313331323331312111133133322232131   <<    C13223313311212111133133313331323133313233313121111331333222321313   >>      C13223313311212111133133313331323133313233313121111331333222321312   >>