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

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

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

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

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