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

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

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

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

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