C132233133112121111331333133313331333132322331333133313233212112312321231   >>    C13223313311212111133133313331333133313232233133313331323321211231232123   <<    C132233133112121111331333133313331333132322331333133313233212112312321233   >>      C132233133112121111331333133313331333132322331333133313233212112312321232   >>