C111113331333132322331333133313331333133313112113313233313122321   >>    C11111333133313232233133313331333133313331311211331323331312232   <<    C111113331333132322331333133313331333133313112113313233313122323   >>      C111113331333132322331333133313331333133313112113313233313122322   >>