C2123132222131133131121131211113313333133313331333132233133313331322121223331   >>    C212313222213113313112113121111331333313331333133313223313331333132212122333   <<    C2123132222131133131121131211113313333133313331333132233133313331322121223333   >>      C2123132222131133131121131211113313333133313331333132233133313331322121223332   >>