C13332313311211113313331333133313331311213233121111331322331322123311   >>    C1333231331121111331333133313331333131121323312111133132233132212331   <<    C13332313311211113313331333133313331311213233121111331322331322123313   >>      C13332313311211113313331333133313331311213233121111331322331322123312   >>