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

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

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

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

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