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

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

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

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

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