C11111333133313232233133313331333131133132313311211111211111122112321   >>    C1111133313331323223313331333133313113313231331121111121111112211232   <<    C11111333133313232233133313331333131133132313311211111211111122112323   >>      C11111333133313232233133313331333131133132313311211111211111122112322   >>