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

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

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

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

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