C132233133112121111331333133313331333132323213232233132311211211   >>    C13223313311212111133133313331333133313232321323223313231121121   <<    C132233133112121111331333133313331333132323213232233132311211213   >>      C132233133112121111331333133313331333132323213232233132311211212   >>