C13223313311212111133133313331323133313331323131133133313231333133311123211331   >>    C1322331331121211113313331333132313331333132313113313331323133313331112321133   <<    C13223313311212111133133313331323133313331323131133133313231333133311123211333   >>      C13223313311212111133133313331323133313331323131133133313231333133311123211332   >>