C111113331333132322331333133313331323133313233213133313331323223313222112111   >>    C11111333133313232233133313331333132313331323321313331333132322331322211211   <<    C111113331333132322331333133313331323133313233213133313331323223313222112113   >>      C111113331333132322331333133313331323133313233213133313331323223313222112112   >>