C132233133112121111331333133313231333133313231133131133132332122321   >>    C13223313311212111133133313331323133313331323113313113313233212232   <<    C132233133112121111331333133313231333133313231133131133132332122323   >>      C132233133112121111331333133313231333133313231133131133132332122322   >>