C11111333133313232233133313331333133313331313331333133313331333132313221231   >>    C1111133313331323223313331333133313331333131333133313331333133313231322123   <<    C11111333133313232233133313331333133313331313331333133313331333132313221233   >>      C11111333133313232233133313331333133313331313331333133313331333132313221232   >>