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

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

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

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

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