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