C11111333133313232233133313331333132313231121133132312322123231   >>    C1111133313331323223313331333133313231323112113313231232212323   <<    C11111333133313232233133313331333132313231121133132312322123233   >>      C11111333133313232233133313331333132313231121133132312322123232   >>