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

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

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

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

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