C312312111111331312111133133313331331121111331323221211113313331322331322311321   >>    C31231211111133131211113313331333133112111133132322121111331333132233132231132   <<    C312312111111331312111133133313331331121111331323221211113313331322331322311323   >>      C312312111111331312111133133313331331121111331323221211113313331322331322311322   >>