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

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

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

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

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