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