C11111333133313232233133313331333133313332322331331121111331322223121   >>    C1111133313331323223313331333133313331333232233133112111133132222312   <<    C11111333133313232233133313331333133313332322331331121111331322223123   >>      C11111333133313232233133313331333133313332322331331121111331322223122   >>