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

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

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

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

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