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