C111113331333132322331333133313331331121111121133132322133313231232331   >>    C11111333133313232233133313331333133112111112113313232213331323123233   <<    C111113331333132322331333133313331331121111121133132322133313231232333   >>      C111113331333132322331333133313331331121111121133132322133313231232332   >>