C312312111111331312111133133313331333133313231333132322331333131   >>    C31231211111133131211113313331333133313331323133313232233133313   <<    C312312111111331312111133133313331333133313231333132322331333133   >>      C312312111111331312111133133313331333133313231333132322331333132   >>