C313212111113331323312111133133313331333133313331333133313331333112331333113121   >>    C31321211111333132331211113313331333133313331333133313331333133311233133311312   <<    C313212111113331323312111133133313331333133313331333133313331333112331333113123   >>      C313212111113331323312111133133313331333133313331333133313331333112331333113122   >>