C11111333133313232233133313331333133112111112113313331333211321111121   >>    C1111133313331323223313331333133313311211111211331333133321132111112   <<    C11111333133313232233133313331333133112111112113313331333211321111123   >>      C11111333133313232233133313331333133112111112113313331333211321111122   >>