C312312111111331312111133133313231333133313112331323132322331313331323132233311   >>    C31231211111133131211113313331323133313331311233132313232233131333132313223331   <<    C312312111111331312111133133313231333133313112331323132322331313331323132233313   >>      C312312111111331312111133133313231333133313112331323132322331313331323132233312   >>