C2123132222131133131121131211113313333133313331333132233133313223313331111   >>    C212313222213113313112113121111331333313331333133313223313331322331333111   <<    C2123132222131133131121131211113313333133313331333132233133313223313331113   >>      C2123132222131133131121131211113313333133313331333132233133313223313331112   >>