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

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

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

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

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