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

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

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

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

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

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

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

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

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