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

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

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

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

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