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