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

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

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

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

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