C132233133112121111331333133313331333132313231332121111331311122321   >>    C13223313311212111133133313331333133313231323133212111133131112232   <<    C132233133112121111331333133313331333132313231332121111331311122323   >>      C132233133112121111331333133313331333132313231332121111331311122322   >>