C111113331333132322331333133313331323133313233213133313223313112131   >>    C11111333133313232233133313331333132313331323321313331322331311213   <<    C111113331333132322331333133313331323133313233213133313223313112133   >>      C111113331333132322331333133313331323133313233213133313223313112132   >>