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

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

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

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

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