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

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

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

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

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