C3123223313331322121111331311331333133313331333112113313231323311   >>    C312322331333132212111133131133133313331333133311211331323132331   <<    C3123223313331322121111331311331333133313331333112113313231323313   >>      C3123223313331322121111331311331333133313331333112113313231323312   >>