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

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

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

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

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