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

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

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

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

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