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

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

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

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

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