C132233133112121111331333133313331333132313231332121111332323321   >>    C13223313311212111133133313331333133313231323133212111133232332   <<    C132233133112121111331333133313331333132313231332121111332323323   >>      C132233133112121111331333133313331333132313231332121111332323322   >>