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