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

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

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

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

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