C11111333133313232233133313331333133112111112113313113121111113131   >>    C1111133313331323223313331333133313311211111211331311312111111313   <<    C11111333133313232233133313331333133112111112113313113121111113133   >>      C11111333133313232233133313331333133112111112113313113121111113132   >>