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