C11111333133313232233133313331333131133132313311232322121121131   >>    C1111133313331323223313331333133313113313231331123232212112113   <<    C11111333133313232233133313331333131133132313311232322121121133   >>      C11111333133313232233133313331333131133132313311232322121121132   >>