C1111133313331323223313331333133313231323112113313122132313233321   >>    C111113331333132322331333133313331323132311211331312213231323332   <<    C1111133313331323223313331333133313231323112113313122132313233323   >>      C1111133313331323223313331333133313231323112113313122132313233322   >>