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

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

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

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

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