C111113331333132322331333133313331331121111121133132313133313231121121   >>    C11111333133313232233133313331333133112111112113313231313331323112112   <<    C111113331333132322331333133313331331121111121133132313133313231121123   >>      C111113331333132322331333133313331331121111121133132313133313231121122   >>