C132233133112121111331333133313331333132313231332113313331312233232311   >>    C13223313311212111133133313331333133313231323133211331333131223323231   <<    C132233133112121111331333133313331333132313231332113313331312233232313   >>      C132233133112121111331333133313331333132313231332113313331312233232312   >>