C132233133112121111331333133313331333132322331333131113233323231   >>    C13223313311212111133133313331333133313232233133313111323332323   <<    C132233133112121111331333133313331333132322331333131113233323233   >>      C132233133112121111331333133313331333132322331333131113233323232   >>