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

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

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

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

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