C132233133112121111331333133313331333132313231332113313113313231   >>    C13223313311212111133133313331333133313231323133211331311331323   <<    C132233133112121111331333133313331333132313231332113313113313233   >>      C132233133112121111331333133313331333132313231332113313113313232   >>