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