1 0-1 parallel
: ['ITEM', (0, 8)]
2 1-2 parallel
: ['ITEM', (1, 8)]
3 2-3 parallel
: ['ITEM', (2, 8)]
4 3-4 parallel
: ['ITEM', (3, 8)]
5 4-5 parallel
: ['ITEM', (4, 8)]
6 5-6 parallel
: ['ITEM', (5, 8)]
7 6-7 parallel
: ['ITEM', (6, 8)]
8 7-8 parallel
: ['ITEM', (7, 8)]
9 8-9 parallel
: ['ITEM', (8, 8)]
