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