C13332313311211113313331333133313331323332113313331333132322331322221   >>    C1333231331121111331333133313331333132333211331333133313232233132222   <<    C13332313311211113313331333133313331323332113313331333132322331322223   >>      C13332313311211113313331333133313331323332113313331333132322331322222   >>