C111113331333132322331333133313331331121111121133133313121111123231311111   >>    C11111333133313232233133313331333133112111112113313331312111112323131111   <<    C111113331333132322331333133313331331121111121133133313121111123231311113   >>      C111113331333132322331333133313331331121111121133133313121111123231311112   >>