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

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

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

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

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