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

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

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

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

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