C132233133112121111331333133313331333131232233132313331333132311212121   >>    C13223313311212111133133313331333133313123223313231333133313231121212   <<    C132233133112121111331333133313331333131232233132313331333132311212123   >>      C132233133112121111331333133313331333131232233132313331333132311212122   >>