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