C13223313311212111133133313331323133313331323121111331312111113233223331   >>    C1322331331121211113313331333132313331333132312111133131211111323322333   <<    C13223313311212111133133313331323133313331323121111331312111113233223333   >>      C13223313311212111133133313331323133313331323121111331312111113233223332   >>