C111113331333132322331333133313331331121111121133133313331323213231311221123121   >>    C11111333133313232233133313331333133112111112113313331333132321323131122112312   <<    C111113331333132322331333133313331331121111121133133313331323213231311221123123   >>      C111113331333132322331333133313331331121111121133133313331323213231311221123122   >>