C132233133112121111331333133313331333132322331333133313232223133313222323221   >>    C13223313311212111133133313331333133313232233133313331323222313331322232322   <<    C132233133112121111331333133313331333132322331333133313232223133313222323223   >>      C132233133112121111331333133313331333132322331333133313232223133313222323222   >>