C132233133112121111331333133313331333131232233132313331313312321   >>    C13223313311212111133133313331333133313123223313231333131331232   <<    C132233133112121111331333133313331333131232233132313331313312323   >>      C132233133112121111331333133313331333131232233132313331313312322   >>