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

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

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

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

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