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