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