C11111333133313232233133313331333132313331333133313311231311131   >>    C1111133313331323223313331333133313231333133313331331123131113   <<    C11111333133313232233133313331333132313331333133313311231311133   >>      C11111333133313232233133313331333132313331333133313311231311132   >>