C313212111133131211331333133313331333132212113313331322112113121   >>    C31321211113313121133133313331333133313221211331333132211211312   <<    C313212111133131211331333133313331333132212113313331322112113123   >>      C313212111133131211331333133313331333132212113313331322112113122   >>