1. Часть
1----7---------7---5---------5---3-------3---2----3----------
2--------0-------------0------------0----------0----0--------
3-----------0-------------0------------0---------------------
4------------------------------------------------------------
5----7---------7---5---------5---3-------3---2----3----------
6------------------------------------------------------------
2. Часть
1----7--------7---5--------5---3--------3--2--3--5--6--------
2-------0-------------0------------0-------------------------
3----------0-------------0------------0----------------------
4------------------------------------------------------------
5----7--------7---5--------5---3--------3--2--3--5--6--------
6------------------------------------------------------------