C13112133313331323321333133313331333131211113313331333132312322331321   >>    C1311213331333132332133313331333133313121111331333133313231232233132   <<    C13112133313331323321333133313331333131211113313331333132312322331323   >>      C13112133313331323321333133313331333131211113313331333132312322331322   >>