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

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

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

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

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