C132233133112121111331333133313331323133313331333133313331333132233132332211   >>    C13223313311212111133133313331333132313331333133313331333133313223313233221   <<    C132233133112121111331333133313331323133313331333133313331333132233132332213   >>      C132233133112121111331333133313331323133313331333133313331333132233132332212   >>