C11111333133313232233133313331333131133132313331333132223213112232321   >>    C1111133313331323223313331333133313113313231333133313222321311223232   <<    C11111333133313232233133313331333131133132313331333132223213112232323   >>      C11111333133313232233133313331333131133132313331333132223213112232322   >>