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