C1111233131211111211113313331333133313331333133313331322331333132322331333331   >>    C111123313121111121111331333133313331333133313331333132233133313232233133333   <<    C1111233131211111211113313331333133313331333133313331322331333132322331333333   >>      C1111233131211111211113313331333133313331333133313331322331333132322331333332   >>