Written pattern： Head make a magic ring r1:6sc [6] r2:6inc [12] r3:sc,inc,rep6 [18] r4:sc,inc,sc,rep6 [24] r5-6:24sc [24] r7:6sc,4inc,4sc,4inc,6sc [32] r8-9:32sc [32] r10:6sc,4dec,4sc,4dec,6sc [24] r11:2sc,dec,rep6 [18] r12:sc,dec,rep6 [12] r13:6dec [6]
