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

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

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

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

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