C132233133112121111331333133313231333133313231133131133132333132232211   >>    C13223313311212111133133313331323133313331323113313113313233313223221   <<    C132233133112121111331333133313231333133313231133131133132333132232213   >>      C132233133112121111331333133313231333133313231133131133132333132232212   >>