C312312111111331312111133133313331333133313231333132322331313331   >>    C31231211111133131211113313331333133313331323133313232233131333   <<    C312312111111331312111133133313331333133313231333132322331313333   >>      C312312111111331312111133133313331333133313231333132322331313332   >>