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