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