C1111133313331323223313331333133313331322133313331323221322231333131331   >>    C111113331333132322331333133313331333132213331333132322132223133313133   <<    C1111133313331323223313331333133313331322133313331323221322231333131333   >>      C1111133313331323223313331333133313331322133313331323221322231333131332   >>