C111113331333132322331333133313331331121111121133132313331311211121121   >>    C11111333133313232233133313331333133112111112113313231333131121112112   <<    C111113331333132322331333133313331331121111121133132313331311211121123   >>      C111113331333132322331333133313331331121111121133132313331311211121122   >>