C1212121231123232233131323223313233313233313223313132333132323323231   >>    C121212123112323223313132322331323331323331322331313233313232332323   <<    C1212121231123232233131323223313233313233313223313132333132323323233   >>      C1212121231123232233131323223313233313233313223313132333132323323232   >>