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

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

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

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

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