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

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

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

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

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