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