C132233133112121111331333133313331333132313231332111111211331313232321   >>    C13223313311212111133133313331333133313231323133211111121133131323232   <<    C132233133112121111331333133313331333132313231332111111211331313232323   >>      C132233133112121111331333133313331333132313231332111111211331313232322   >>