C1111133313331323223313331333133313331323131211113313133313333223331   >>    C111113331333132322331333133313331333132313121111331313331333322333   <<    C1111133313331323223313331333133313331323131211113313133313333223333   >>      C1111133313331323223313331333133313331323131211113313133313333223332   >>