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