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