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

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

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

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

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