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

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

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

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

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