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

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

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

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

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