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

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

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

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

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