Das Sommerrätsel 2018

12, 13, 21, 1, 1, 2, 2, 2, 2, 234, 1234, 3, 2, 1, 4312, 2, 2, 42, 3425, 4, 23, 1, 312, 41, 23, 2413, 1, 231, 4, 213, 34, 52, 25, 51, 43, 23, 14, 324, 4, 32