C132233133112121111331333133313231333133313231323221211111211113312321   >>    C13223313311212111133133313331323133313331323132322121111121111331232   <<    C132233133112121111331333133313231333133313231323221211111211113312323   >>      C132233133112121111331333133313231333133313231323221211111211113312322   >>