C13223313311212111133133313331323133313331323121111133313221323123221   >>    C1322331331121211113313331333132313331333132312111113331322132312322   <<    C13223313311212111133133313331323133313331323121111133313221323123223   >>      C13223313311212111133133313331323133313331323121111133313221323123222   >>