C31321211111333132331211113313331333133313223313331333132311312112211232212321   >>    C3132121111133313233121111331333133313331322331333133313231131211221123221232   <<    C31321211111333132331211113313331333133313223313331333132311312112211232212323   >>      C31321211111333132331211113313331333133313223313331333132311312112211232212322   >>