C2123132222131133131121131211113313231322331333132322331333232331   >>    C212313222213113313112113121111331323132233133313232233133323233   <<    C2123132222131133131121131211113313231322331333132322331333232333   >>      C2123132222131133131121131211113313231322331333132322331333232332   >>