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

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

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

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

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