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