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