0 -> cLm cLm -> 0 0 -> cLc cLc -> cLn cLn -> cLc cLc -> 0 cLn -> 0 0 -> cTm cTm -> 0 cYc -> cYn cYn -> cYc cYn -> 0 0 -> cYc cYc -> 0 cXc -> cXn cXn -> cXc cXc -> 0 0 -> cXc cXn -> 0 0 -> cAc cAc -> cAn cAn -> cAc cAc -> 0 cAn -> 0 0 -> cPn cPn -> 0 cPn -> 0 0 -> cAm 0 -> cAm cAm -> 0 0 -> cXm cXm -> 0 0 -> cTc cTc -> cTn cTn -> cTc cTc -> 0 cTc -> 0 cTn -> 0 cTn -> 0 0 -> cYm cYm -> 0