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

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

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

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

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