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