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

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

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

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

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