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