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

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

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

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

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