C31321211111333132331211113313331333133313331333133313231321311   >>    C3132121111133313233121111331333133313331333133313331323132131   <<    C31321211111333132331211113313331333133313331333133313231321313   >>      C31321211111333132331211113313331333133313331333133313231321312   >>