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

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

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

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

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