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