C2123132222131133131121131211113313231322331333132322331333131132131211   >>    C212313222213113313112113121111331323132233133313232233133313113213121   <<    C2123132222131133131121131211113313231322331333132322331333131132131213   >>      C2123132222131133131121131211113313231322331333132322331333131132131212   >>