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