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

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

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

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

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