(0 6 4)(1 21 19 16 15 9 3)(2 14 12)(5 10 7)(8 13 11)(17 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 2 4)
(0)(1 21 19 16 15 9 3)(2 6 4 14 12)(5 10 7)(8 13 11)(17 20 18)
2: (2 6 12)
(0)(1 21 19 16 15 9 3)(2)(4 14 12)(5 10 7)(6)(8 13 11)(17 20 18)
3: (3 19 9)
(0)(1 21 19)(2)(3)(4 14 12)(5 10 7)(6)(8 13 11)(9 16 15)(17 20 18)
4: (5 10 7)
(0)(1 21 19)(2)(3)(4 14 12)(5)(6)(7)(8 13 11)(9 16 15)(10)(17 20 18)