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