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

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

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

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

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