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

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

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

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

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