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

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

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

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

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