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

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

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

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

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