C11111333133313232233133313331333133112111112113313133112112113311   >>    C1111133313331323223313331333133313311211111211331313311211211331   <<    C11111333133313232233133313331333133112111112113313133112112113313   >>      C11111333133313232233133313331333133112111112113313133112112113312   >>