C11111333133313331211211331333133313331323133313331333131133132321311   >>    C1111133313331333121121133133313331333132313331333133313113313232131   <<    C11111333133313331211211331333133313331323133313331333131133132321313   >>      C11111333133313331211211331333133313331323133313331333131133132321312   >>