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

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

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

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

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