C313212111113331323312111133133313331333133313331333133313231333133112113311   >>    C31321211111333132331211113313331333133313331333133313331323133313311211331   <<    C313212111113331323312111133133313331333133313331333133313231333133112113313   >>      C313212111113331323312111133133313331333133313331333133313231333133112113312   >>