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

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

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

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

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