C11111333133313232233133313331333132313231121133131122112323222321   >>    C1111133313331323223313331333133313231323112113313112211232322232   <<    C11111333133313232233133313331333132313231121133131122112323222323   >>      C11111333133313232233133313331333132313231121133131122112323222322   >>