C13223313311212111133133313331323133313331323131133133313231333131333211221   >>    C1322331331121211113313331333132313331333132313113313331323133313133321122   <<    C13223313311212111133133313331323133313331323131133133313231333131333211223   >>      C13223313311212111133133313331323133313331323131133133313231333131333211222   >>