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