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

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

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

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

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