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