(0 16 2)(1 5 3)(4 19 18)(6 14 10)(7 20 9)(8 12 11)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (1 8 12)
(0 16 2)(1 11 8 5 3)(4 19 18)(6 14 10)(7 20 9)(12)(13 17 15)
2: (7 20 9)
(0 16 2)(1 11 8 5 3)(4 19 18)(6 14 10)(7)(9)(12)(13 17 15)(20)
3: (0 16 2)
(0)(1 11 8 5 3)(2)(4 19 18)(6 14 10)(7)(9)(12)(13 17 15)(16)(20)
4: (5 11 8)
(0)(1 11 3)(2)(4 19 18)(5)(6 14 10)(7)(8)(9)(12)(13 17 15)(16)(20)