C312312111133131212111133131133133313331323223313231133132311321   >>    C31231211113313121211113313113313331333132322331323113313231132   <<    C312312111133131212111133131133133313331323223313231133132311323   >>      C312312111133131212111133131133133313331323223313231133132311322   >>