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

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

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

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

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