C312312111111331312111133133313331331121111331323221211113313331323223311211331   >>    C31231211111133131211113313331333133112111133132322121111331333132322331121133   <<    C312312111111331312111133133313331331121111331323221211113313331323223311211333   >>      C312312111111331312111133133313331331121111331323221211113313331323223311211332   >>