1) [30;30] 1 --> 2 3 --> 6 2) [50;90] 3 --> 3 5 --> 4 1 --> 6 3) [123;131] 1 --> 5 4) [57;156] 1 --> 5 2 --> 10 5) [160;188] 13 --> 10 1 --> 7 6) [135;61] 1 --> 9 7) [246;173] 1 --> 6 1 --> 10 8) [414;167] 1 --> 7 1 --> 12 9) [350;112] 1 --> 11 1 --> 8 10) [252;280] 1 --> 12 11) [401;46] 12) [534;288]