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