C13223313311212111133133313331333132333133112111133121111132221   >>    C1322331331121211113313331333133313233313311211113312111113222   <<    C13223313311212111133133313331333132333133112111133121111132223   >>      C13223313311212111133133313331333132333133112111133121111132222   >>