C11111333133313232233133313331333132332313112113313331323132311231   >>    C1111133313331323223313331333133313233231311211331333132313231123   <<    C11111333133313232233133313331333132332313112113313331323132311233   >>      C11111333133313232233133313331333132332313112113313331323132311232   >>