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

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

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

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

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