C2123132222131133131121131211113313333133313331333132233133313232321322331   >>    C212313222213113313112113121111331333313331333133313223313331323232132233   <<    C2123132222131133131121131211113313333133313331333132233133313232321322333   >>      C2123132222131133131121131211113313333133313331333132233133313232321322332   >>